Year	current US$
1975	191775665.3
1976	294203186
1977	351270385.7
1978	463980865.5
1979	636982666
1980	786162170.4
1981	503806243.9
1982	399870666.5
1983	328551971.4
1984	298885467.5
1985	286691772.5
1986	431988006.6
1987	513747802.7
1988	528792846.70000005
1989	412528442.4
1990	471232452.4
1991	445930236.8
1992	456757629.4
1993	430494751
1994	355004211.4
1995	456978302
1996	523895446.8
1997	495143341.1
1998	516943969.7
1999	498902771
2000	389722259.5
2001	379542144.8
2002	573897827.1
2003	627857543.9
2004	591410156.3
2005	597208166.443528
2006	661035721.724585
2007	699271670.757831
2008	758687592.017424
2009	746399976.285337
2010	726293253.780639
2011	728565816.811433
2012	694444945.509466
2013	736281654.179675
2014	746866785.943462
2015	649769213.482815
2016	715984964.055525
2017	847275830.943493
2018	919027300.726831
2019	908280381.780388
2020	935869792.935591
2021	1011590171.34568
2022	1428226344.25477