Year	current US$
1976	80670206.27775845
1977	100797480.60783605
1978	123960069.9303536
1979	174378751.91737366
1980	170217373.3116857
1981	161583753.5368826
1982	156816938.0688063
1983	183663357.87873092
1984	167387265.22033924
1985	177303093.03238347
1986	241342165.41695982
1987	301361593.76721174
1988	343957031.41714835
1989	340398643.46779853
1990	405356300.7876964
1991	423129362.13624215
1992	447535379.59526086
1993	458294523.04153013
1994	455328050.9245718
1995	459401240.6422821
1996	488527527.783354
1997	496320503.83767915
1998	508739013.82298326
1999	561234918.4906039
2000	574681771.7845001
2001	501663289.8785132
2002	569370609.4386222
2003	709850142.331185
2004	842682054.4540639
2005	785777929.6766472
2006	766965706.2349465
2007	911710852.287577
2008	1096586568.9742444
2009	961802013.7798109
2010	1103058692.064812
2011	1324812451.7739353
2012	1375209268.0818472
2013	1532016922.5087698
2014	1587865199.9337592
2015	1465311908.9931455
2016	1527212275.162799
2017	1734586940.3012776
2018	1905765241.171201
2019	1871480631.5934222
2020	1388291178.8829894
2021	1326988944.35827
2022	1605942587.3544612
2023	1857524953.2084193