Year	current US$
1977	200000000
1978	220000000
1979	230000000
1980	80000000
1981	80000000
1982	80000000
1983	80000000
1984	80000000
1985	80000000
1986	908000000
1987	994000000
1988	995000000
1989	1020000000
1990	1170000000
1991	1300000000
1992	1796000000
1993	1820000000
1994	1943000000
1995	2665450124.196581
1996	2738614596.99196
1997	2762323809.928894
1998	2932453434.25793
1999	4903130051.118597
2000	4949559608.300993
2001	5124188719.329728
2002	5205318060.390276
2003	5344291476.8548565
2004	5561662792.7579155
2005	5728656853.336043
2006	7336181997.21255
2007	7846617833.759359
2008	8054192064.30138
2009	8282511676.77939
2010	8390573550.914989
2011	8506636419.18986
2012	8748376016.811699
2013	9174425003.94691
2014	9189987399.12415
2015	9297646939.638481
2016	9065268190.16921
2017	9121140785.36866
2018	9683323618.18409
2019	9908011767.20072
2020	9222933366.427494
2021	9638110825.759708
2022	10094435510.48387