Year	current US$
1975	33199890000
1976	24000000000
1978	17940860000
1979	17389180000
1980	16564790000
1981	16677890000
1982	11168140000
1983	10860470000
1984	13232270000
1985	19509170000
1986	48926060000
1987	71090260000
1988	90903980000
1989	122652050000
1990	111448980000
1991	147818900000
1992	116224100000
1993	118667810000
1994	154984140000
1995	190570530000
1996	241028150000
1997	290382930000
1998	402162640000
1999	430900070000
2000	504219320000
2001	468203190000
2002	461559380000
2003	726243370000
2004	940672880000
2005	959910390000
2006	1322915300000
2007	1799833980000
2008	948352290000
2009	1434540470000
2010	1171624980000
2011	1030987550000
2012	995088450000
2013	1116561030000
2014	992913610000
2015	787192290000
2016	704551326648.4299
2017	888837580000
2018	723690970000
2019	797285840000
2020	759174660000
2021	775649630000
2022	665497680000