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Dramatic Growth of Open Access: Open Data Edition - Full Data, March 31, 2012
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For commentary, methods notes, and links to related works see The Imaginary Journal of Poetic Economics http://poeticeconomics.blogspot.com/2006/08/dramatic-growth-of-open-access-series.html (Dramatic Growth of Open Access Series_
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08/200012/04/200003/31/200106/21/200112/200111/200204/200312/31/200303/30/200406/30/200407/200409/30/200412/31/200402/200503/31/200506/30/200510/01/200512/11/200512/31/20053/31/200606/30/20069/30/200612/11/200612/31/20063/31/200706/30/20079/30/200712/11/200712/31/20073/31/20086/30/20089/30.0812/11/200812/31/20083/31/20096/30/099/30/0912/11/200912/31/200903/31/201006/30/20109/30/201012/11/201012/31/201003/31/201106/30/201109/30/201112/11/201112/31/201103/31/2012
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Directory of Open Access Journals (DOAJ) http://www.doaj.org/
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# of DOAJ journals 8061,1351,2781,4041,4001,5031,6431,8031,9641,9882,1582,2922,4012,4912,5142,6182,7312,8463,0003,0313,3023,4813,6683,7813,8123,9994,2524,3614,4904,5354,8635,1405,4525,8645,9366,3316,6947,0707,3287,3727,607
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# of titles added last 30 days783845343717511016478828147451057234727595114148228176134
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# of journals searchable at article level2963213473804094464824925946536977417477888238899739831,0721,1781,2591,3291,3401,4231,5741,6641,7351,7591,9742,1222,2882,4352,4942,7592,9603,2533,4603,5273,726
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# of articles searchable at article level50,48660,11762,70370,79874,85178,23082,01883,23592,751101,434109,840122,837124,033130,014138,065148,867164,583166,781175,230190,093210,985240,314244,604266,451290,261315,407332,127335,499377,837412,665447,657485,034490,411543,482585,527637,427698,546721,271784,102
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Open J-Gate http://www.openj-gate.com # english-language open-access journals4,3534,3804,3764,388unavailable due to maintenance4,6694,7334,8305,5955,9436,1256,1986,6547,1027,5327,9218,1058,4678,946site not9,7359,710temporarily suspended
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Peer-Reviewed2,5342,5782,6523,2513,4163,5103,5803,8324,1264,4844,7214,8775,6736,042available6,5016,508
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Elektronische Zeitschriftenbibliotek - Electronic Journals Library # journals that can be read free of charge http://rzblx1.uni-regensburg.de/ezeit/index.phtml?bibid=AAAAA&colors=7&lang=en13,07115,12016,31516,46117,63618,59719,51019,998?21,30721,97922,70623,35623,43924,23825,11826,23126,85127,03028,04129,19630,96332,08532,38433,984
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Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl
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# free articles171,373194,391272,030357,510439,841735,575763,962770,015842,600925,183974,4081,131,1351,335,5461,354,5591,435,9241,552,4671,683,8091,718,1881,808,6561,831,1471,838,3831,872,9801,897,8991,941,5832,015,0262,104,0101,891,9741,901,5761,936,8371,965,6711,974,2702,003,8922,001,2581,990,7942,087,8012,135,3002,062,0332,116,5592,117,5232,117,5232,109,7902,127,016
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total # articles740,578857,0731,020,6001,105,2261,305,2951,771,6011,957,8881,972,5412,195,4522,435,7672,814,2904,559,0514,602,2174,726,3654,792,1564,881,3595,032,0415,131,2825,609,4736,021,6976,108,4516,151,6056,167,0096,245,1016,375,2486,317,2876,447,8536,461,0166,576,0876,702,4856,741,9656,741,9656,813,0016,910,018
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Highwire Completely Free Sites3739434343434244434344474746464547474647494949495351
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Sites with free back issues249249253255256256267282283282283286287282286284282283282282274273
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Open DOAR http://www.opendoar.org/ added April 2, 2007 (2006 from Peter Suber's SPARC Open Access Newsletter (SOAN)
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7868038438338539099501,0131,0171,1181,1631,2541,2961,3731,4191,4901,5541,5581,6171,6961,7371,8151,8171,9151,9802,0852,1602,1642,186
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Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories
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7467928629069629681,0361,0931,1451,2291,2391,3011,4001,4701,5531,5571,6821,7981,8692,0492,0902,2262,3372,4402,5832,6102,734
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BASE: Bielefeld Academic Search Engine http://www.base-search.net/
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# of documents6,843,8307,078,5747,253,3007,253,3008,540,37510,410,32022,007,36723,244,31224,799,97225,516,27525,517,25825,516,55125,506,18328,911,26531,044,88033,581,83233,598,61234,291,810
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# of content providers4394925195196597711,4041,5331,7011,7301,7291,7271,7241,8902,0272,0752,0722,156
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PubMedCentral http://www.pubmedcentral.nih.gov/
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# items Dec. 2011 - posted on PMC website(from ROAR) 100% fulltext - for historical purposes - for more accurate data, see PMC Free tab696,503766,387840,087883,158992,2851,014,4061,121,1621,376,3591,474,5971,503,5051,508,6131530623 records1,564,7781,585,6631,602,0511,603,5181,624,6491,629,7641,662,4371,978,2361,998,6132,052,7972,200,0002,300,0002,300,0002,400,000
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# journals participating in PMC (from PMC website) * PMC1 *2004 Tim Gray1524104664925385446637257808989601,0091,037
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# journals actively participating in PMC (total minus predecessor minus no new content)1526156717217248328989601,0091,0371,0841,1761,2141,2941,3021,360
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# journals in PMC with immediate free access128321355375413418447488425450453493519556596622662721746816823879
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# journals in PMC with all articles open access108257288293306398377362396426446480515532565616635696702746
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# journals in PMC with some articles open access208208219
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# journals that deposit ALL articles in PMC (from PMC website)8939729791,041
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# journals that deposit NIH-funded articles in PMC (from PMC website)296301301298
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# journals that deposit selected articles in PMC (from PMC website)1,5171,5721,5981,672
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arXiv http://arxiv.org/ 350,745362,334374,166386,716400,814414,115427,314441,089453,663456,470470,439485,141499,706512,366515,376530,415546,172562,066576,095579,301595,703612,703629,806645,461649,393667,274685,652704,659721,478725,963745,983
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RePEC http://repec.org/ total items (from LogEC as of March 2012)125,000140,000155,000176,000210,000290,000350,000367,000385,000428,000451,000453,000485,000504,000555,000558,000575,000600,000620,000670,000670,000727,000760,000783,000813,000825,000865,000930,000955,000985,000985,0001,020,0001,060,0001,085,0001,135,0001,135,0001,166,841
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RePEC online (fulltext) (downloadable as of March 2012)46,00059,00085,000117,000193,000200,000250,000266,000282,000321,000343,000346,000375,000392,000445,000448,000465,000492,000510,000555,000555,000615,000648,000667,000692,000700,000740,000800,000825,000860,000860,000890,000925,000955,0001,000,0001,000,0001,031,466
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RePEc working papers380,000390,000405,000410,000430,000430,000
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RePEc journal articles585,000605,000625,000645,000675,000675,000
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RePEc software components2,0002,1002,1002,2002,4002,400
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RePEc book and chapter listings21,00022,00025,00027,00028,00028,000
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RePEc author contact and publication listings26,00027,00027,00029,00030,00030,000
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RePEc institutional contact listings11,90012,000 12,00012,00012,00012,000
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E-LIS http://eprints.rclis.org/ Documents753821,8473,0353,0953,5393,8854,2854,8715,3755,9766,5787,0127,1047,5237,9768,2008,6548,7118,9769,2929,59410,01110, 11210,52410,81011,04811,34611,42011,66612,01212,31912,50512,57712,927
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Social Sciences Research Network http://papers.ssrn.com/sol3/DisplayAbstractSearch.cfm
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Abstracts375,135391,197
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Full text papers?307,057320,825
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Authors176,174183,543
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Papers received in last 12 months59,75461,723
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Paper downloads - to date50,059,54352,505,621
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Paper downloads - last 12 months8,483,4458,746,311
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Paper downloads - last 30 days582,279937,227
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Open Access Mandate Policies based on ROARMAP http://www.eprints.org/openaccess/policysignup/
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Sub-Institutional (was Departmental)44446131418182124242929303333333333
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Funder2327303035384142424445464646474852515152
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Institutional202225273139437979879096108111117127132136136139
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Multi-institutional11111111
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Thesis293339396061647074768082888889
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Total404653596172119131178178212220230254261271289300309309314
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Proposed Mandates810111014141515151919192020212020191919
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Tracked irregularly
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Open Journal Systems http://pkp.sfu.ca/?q=ojs
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# of journals using OJS (Dec. 2011 OJS installations)8009001,000*1,4002,0002,9685,0006,6007,5007,5009,00011,500
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Scientific Commons http://www.scientificcommons.org/ (added April 2, 2007) (2006 from Peter Suber's SOAN)
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# publications11,682,59612,925,86914,554,63615,632,53916,200,67116,706,57116,845,38118,152,31619,582,98122,616,30924,152,70724,377,85426,430,90927,736,84930,547,12832,265,67832,265,67834,643,70737,057,92338,245,86438,245,86438,245,86438,245,86438,245,864
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# authors5,606,5065,808,8966,408,0606,752,5986,877,8237,093,2387,116,2857,388,6237,909,2798,904,1529,409,240n/a
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# repositories8388408498698818918939029089549639659811,0041,1241,1581,1581,1961,2121,2691,2691,2691,2691,269
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Open data policies (journals) - from OAD http://oad.simmons.edu/oadwiki/Journal_open-data_policies14141416
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Open Content Alliance / Internet Archive
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# books under OCA principles or public domain hosted by Internet Archives1,600,0001,600,0003,000,000
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Internet Archive
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Moving images (movies)630413
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Live music archive (concerts)100275
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Audio (recordings)1200514
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Texts3310050
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No longer tracked as of December 2010
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Mendeley http://www.mendeley.com/stats/ (login required - free registration)
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metadata records56,750,91875,917,56995,498,473
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articles downloadable for free297,189804,3921,057,735
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metadata records - social sciences4,578,4465,507,880
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articles downloadable for free - social sciences47,44948,615
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