Year	current US$
1979	1033.9405199709097
1980	1025.639811514112
1981	941.2244147307835
1982	925.2829340503857
1983	926.2014800928323
1984	1112.4907822899
1985	990.5154087935152
1986	926.8136051202263
1987	996.4858494621457
1988	1103.2785828071792
1989	1046.4204083168008
1990	1119.28001513864
1991	1301.6341629348792
1992	1318.531846411762
1993	1233.43168275123
1994	1403.1057966527726
1995	1461.4051185292212
1996	1495.9879831416702
1997	1524.9604973062253
1998	1432.6084216788329
1999	1429.8890941263837
2000	1416.1970273710222
2001	1309.0475842769781
2002	1299.178901912324
2003	1517.2944494387486
2004	1718.2630289217595
2005	1814.817825638545
2006	1970.8984112702037
2007	2261.459294110788
2008	2525.083903543896
2009	2472.463563808368
2010	2732.5515666218716
2011	3064.751200660712
2012	2906.3424613081843
2013	2877.444528012854
2014	2861.203154254408
2015	2643.886885909502
2016	2757.2033059338637
2017	3032.197029656045
2018	3076.8353148387964
2019	3076.589885883606
2020	2917.7568490893273
2021	2978.0125981397146
2022	3128.5404220583714
2023	3367.0946387186646