Year	current US$
1975	111.34637829638608
1976	125.31187037975194
1977	118.5825171774734
1978	128.60552512627166
1979	119.59046002515164
1980	120.08211858377479
1981	128.07875537668068
1982	130.74854911076963
1983	136.48597044302244
1984	143.14417103997118
1985	149.49237122408488
1986	152.40595289831487
1987	130.01846889298173
1988	201.07885085458005
1989	157.87527881273422
1990	157.3977552329781
1991	221.9347390634801
1992	256.372862113996
1993	247.34858443036362
1994	262.44289487820964
1995	315.14234799494983
1996	313.58467230845423
1997	301.2196653545073
1998	267.4097962214498
1999	295.59128529347737
2000	301.5165985260923
2001	322.89986385966546
2002	341.0367657727561
2003	364.27530170149197
2004	410.08613291787253
2005	475.0693942550555
2006	539.7473653911418
2007	629.9210766384095
2008	742.3979723219172
2009	734.8151186521026
2010	782.6957385955636
2011	880.3103044289129
2012	950.4825446138351
2013	1015.220881342675
2014	1098.074537505312
2015	1170.742815786431
2016	1281.105971054123
2017	1400.899265229873
2018	1533.3159846607873
2019	1671.3854000919046
2020	1577.911739916446
2021	1625.2350214797902
2022	1759.6080234604356
2023	1875.0714819294767