Year	current US$
1970	145455931146.71887
1971	161760360044.31885
1972	194971458973.85654
1973	269027120434.08685
1974	365930013552.8498
1975	385425049727.8381
1976	436512221901.77985
1977	491178945769.3751
1978	571519077971.156
1979	744891930179.6804
1980	898657998384.15
1981	808058795784.0253
1982	771223254595.324
1983	731860143518.2574
1984	733740164128.2395
1985	761539146874.5676
1986	921827177357.8386
1987	1135588299932.2327
1988	1271966219270.0042
1989	1373316175926.8691
1990	1681789355322.5095
1991	1721019205949.7336
1992	1855120646003.5732
1993	1618878070792.951
1994	1806914733308.2642
1995	2212593061270.752
1996	2264618321064.82
1997	2231788106117.129
1998	2373651740427.904
1999	2427535488514.0215
2000	2540477760257.275
2001	2532479040770.825
2002	2649401655068.47
2003	3223129219516.8833
2004	3870644762374.0938
2005	4272294546231.7305
2006	4883883417983.2295
2007	5811987724949.453
2008	6558375699084.871
2009	5110049196220.183
2010	5637065768095.008
2011	6544069716168.236
2012	6136610947619.917
2013	6341459583575.065
2014	6558736739974.73
2015	5786691902616.0205
2016	5873802806746.408
2017	6503375089672.527
2018	7240089637118.837
2019	7206671560399.516
2020	6585276392017.863
2021	8088535963953.945
2022	9132673459996.201
2023	8983716963324.693
