@lassial v. of iTunes Store Downloads, 2003-present

	A	B	C	D	E	F	G	H
1	Date point	Days delta		Total downloads	DLs delta	DLs/days	Date point	DLs/month
2	5/1/2003	0		0			5/1/2003
3	7/1/2004	427	7/2004	100,000,000	100000000	234,192	7/1/2004	7,025,761
4	9/1/2004	62	9/2004	125,000,000	25000000	403,226	9/1/2004	12,096,774
5	10/1/2004	30	10/2004	150,000,000	25000000	833,333	10/1/2004	25,000,000
6	12/1/2004	61	12/2004	200,000,000	50000000	819,672	12/1/2004	24,590,164
7	1/1/2005	31	1/2005	250,000,000	50000000	1,612,903	1/1/2005	48,387,097
8	3/1/2005	59	3/2005	300,000,000	50000000	847,458	3/1/2005	25,423,729
9	5/1/2005	61	5/2005	400,000,000	100000000	1,639,344	5/1/2005	49,180,328
10	7/1/2005	61	7/2005	500,000,000	100000000	1,639,344	7/1/2005	49,180,328
11	2/1/2006	215	2/2006	1,000,000,000	500000000	2,325,581	2/1/2006	69,767,442
12	9/1/2006	212	9/2006	1,500,000,000	500000000	2,358,491	9/1/2006	70,754,717
13	1/1/2007	122	1/2007	2,000,000,000	500000000	4,098,361	1/1/2007	122,950,820
14	4/1/2007	90	4/2007	2,500,000,000	500000000	5,555,556	4/1/2007	166,666,667
15	7/1/2007	91	7/2007	3,000,000,000	500000000	5,494,505	7/1/2007	164,835,165
16	1/1/2008	184	1/2008	4,000,000,000	1000000000	5,434,783	1/1/2008	163,043,478
17	6/1/2008	152	6/2008	5,000,000,000	1000000000	6,578,947	6/1/2008	197,368,421
18	1/1/2009	214	1/2009	6,000,000,000	1000000000	4,672,897	1/1/2009	140,186,916
19	7/1/2009	181	7/2009	8,000,000,000	2000000000	11,049,724	7/1/2009	331,491,713
20	9/1/2009	62	9/2009	8,600,000,000	600000000	9,677,419	9/1/2009	290,322,581
21	2/1/2010	153	2/2010	10,000,000,000	1400000000	9,150,327	2/1/2010	274,509,804
22	6/1/2011	485	6/2011	15,000,000,000	5000000000	10,309,278	6/1/2011	309,278,351
23	9/1/2012	458	9/2012	20,000,000,000	5000000000	10,917,031	9/1/2012	327,510,917
24	2/1/2013	153	2/2013	25,000,000,000	5000000000	32,679,739	2/1/2013	980,392,157
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