Year	current US$
1970	103.64435415989011
1971	109.25765907811063
1972	113.33791782202427
1973	132.60550111271343
1974	149.77180688156216
1975	142.71091622542943
1976	146.0863857619878
1977	167.72598841809196
1978	185.79857604179588
1979	202.18786725283428
1980	242.81527512426035
1981	243.66074183150192
1982	244.59288581131287
1983	261.27539336177637
1984	247.07195423321184
1985	262.9075190802282
1986	276.99118507612974
1987	302.163678935729
1988	314.04463716097564
1989	304.2726317996012
1990	321.3989997337188
1991	263.2106345599104
1992	275.7979247458044
1993	263.59620992988795
1994	304.4545258490885
1995	328.52595572788135
1996	352.90174353570535
1997	366.17056844467396
1998	365.99521779600207
1999	390.30166240739476
2000	387.0749073786703
2001	395.20935058404683
2002	412.37122553048283
2003	479.16883183125134
2004	546.4966566847161
2005	619.8163160928902
2006	698.5147716091567
2007	890.9949145551107
2008	851.4178888965849
2009	957.6586772298565
2010	1168.2930596530773
2011	1247.9996995984302
2012	1236.6491506983145
2013	1241.3092147730824
2014	1351.7736812619326
2015	1390.3125420467125
2016	1487.7660406117543
2017	1717.793517846099
2018	1726.2843161206872
2019	1792.586442335225
2020	1645.1303520288038
2021	1916.1257470572268