Computer Usage and Privilege

	A	B	C	D	E	G
1	year	name	lower bound	upper bound	median income	PEW defines
2	1984	poverty		24332	48664	lowest income less than 50% of median income
3		lower	24332	32604.88	48664	lower income as 50% to 67% of median income
4		middle	32604.88	97328	48664	middle income as 67% to 200% of the median income
5		upper-middle	97328	145992	48664	upper-middle income as 200% to 300% of median income
6		upper	145992		48664	upper income as greater than 300% of median income
7	1989	lowest		26653	53306	source: http://www.pewsocialtrends.org/2015/12/09/the-american-middle-class-is-losing-ground/
8		lower	26653	35715.02	53306
9		middle	35715.02	106612	53306	Median income numbers taken from: https://research.stlouisfed.org/fred2/series/MEHOINUSA672N#
10		upper-middle	106612	159918	53306
11		upper	159918		53306	Note: where the income brakets were too low to include meaningful data for upper-middle and upper class, I took the top bracket to be upper class.
12	1997	poverty		27221.5	54443
13		lower	27221.5	36476.81	54443
14		middle	36476.81	108886	54443
15		upper-middle	108886	163329	54443
16		upper	163329		54443
17	2000	poverty		28862	57724
18		lower	28862	38675.08	57724
19		middle	38675.08	115448	57724
20		upper-middle	115448	173172	57724
21		upper	173172		57724
22	2001	poverty		28233	56466
23		lower	28233	37832.22	56466
24		middle	37832.22	112932	56466
25		upper-middle	112932	169398	56466
26		upper	169398		56466
27	2003	poverty		27879.5	55759
28		lower	27879.5	37358.53	55759
29		middle	37358.53	111518	55759
30		upper-middle	111518	167277	55759
31		upper	167277		55759
32	2005	poverty		28080	56160
33		lower	28080	37627.2	56160
34		middle	37627.2	112320	56160
35		upper-middle	112320	168480	56160
36		upper	168480		56160
37	2010	poverty		26753.5	53507
38		lower	26753.5	35849.69	53507
39		middle	35849.69	107014	53507
40		upper-middle	107014	160521	53507
41		upper	160521		53507
42	2013	poverty		27231	54462
43		lower	27231	36489.54	54462
44		middle	36489.54	108924	54462
45		upper-middle	108924	163386	54462
46		upper	163386		54462
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