Year	current US$
1975	533005981.4
1976	547143920.9
1977	589561645.5
1978	763199218.8
1979	948415710.4
1980	1053942871
1981	1013863098
1982	849573425.3
1983	916988281.3
1984	873726684.6
1985	972522277.8
1986	1399646484
1987	1588903320
1988	1304641724
1989	1336566040
1990	2006347290
1991	1990340576
1992	2170446289
1993	1959089111
1994	1827395508
1995	1969500647.08401
1996	2165473712.6724
1997	1892809709.27865
1998	2010637641.59177
1999	1938105631.44868
2000	2160962378.14278
2001	3260920244.44892
2002	2877152600.81515
2003	3613916567.1919
2004	4220836008.11524
2005	4589226819.79731
2006	5451371054.8234
2007	6730472440.80241
2008	6894287729.1636
2009	6269117560.51746
2010	6422541530.26634
2011	7256310891.67544
2012	6507905288.19902
2013	6881699960.00074
2014	7788695018.11779
2015	6903543638.09132
2016	6383473883.82103
2017	6823002118.11193
2018	6919419947.6764
2019	6962578453.17234
2020	7414138465.63963
2021	10906279156.3172
2022	11168172545.0827
2023	12130000000