Year	current US$
1977	70198198.88888888
1978	86840904.8148148
1979	100577695.55555555
1980	108715271.85185185
1981	110763030
1982	120139293.7037037
1983	127285033.7037037
1984	140644421.85185185
1985	162487714.44444445
1986	182037670.74074072
1987	208368828.88888887
1988	230083449.6296296
1989	257794308.88888887
1990	266224688.88888887
1991	293872703.7037037
1992	304823407.4074074
1993	301338111.1111111
1994	316297000
1995	328728074.07407403
1996	351511444.4444444
1997	375246148.1481481
1998	422659148.1481481
1999	455709370.3703703
2000	486296222.2222222
2001	478999740.7407407
2002	492740296.29629624
2003	540525814.8148148
2004	533925222.2222222
2005	667273407.4074074
2006	669815814.8148148
2007	717591481.4814814
2008	783264333.3333334
2009	708231333.3333333
2010	731135629.6296296
2011	746883222.2222222
2012	765599962.962963
2013	816932777.7777777
2014	828796296.2962962
2015	880607407.4074074
2016	965140740.7407407
2017	1005085185.1851851
2018	1053114814.8148147
2019	1092085185.1851852
2020	972011111.111111
2021	1023999999.9999999
2022	1143677777.7777777
2023	1237434235.588974