Year	current US$
1960	796438033.7341403
1961	853558286.3481836
1962	925629308.1447165
1963	1066676903.469638
1964	1212976146.8656561
1965	1312373176.629051
1966	1243304285.056221
1967	1428102231.0696356
1968	1553574822.0156474
1969	1978197499.0824482
1970	1931381778.892891
1971	2343568119.930596
1972	2691312968.4354973
1973	2770696533.5921187
1974	4645717857.096968
1975	5946967264.989522
1976	6323865230.454785
1977	6658404576.425881
1978	8213058176.991697
1979	8959490554.743362
1980	11650446001.458923
1981	14553283144.864141
1982	14181594643.550533
1983	15747815986.362019
1984	15328841542.834087
1985	14671042791.760191
1986	11767851348.80984
1987	10798594777.653154
1988	10074759260.177874
1989	8261792155.522583
1990	10224358155.970772
1991	11644375000
1992	11689835565.09812
1993	11924429360.161371
1994	8337680000
1995	9078882235.528942
1996	11398083832.33533
1997	11681031128.404669
1998	12132596153.846153
1999	12843468992.248062
2000	14353862256.64643
2001	14823665073.75857
2002	14843940626.270842
2003	16128205649.25828
2004	18953089108.910892
2005	21653237547.89272
2006	25199941348.973606
2007	31885182218.662395
2008	43311897520.33729
2009	45404779964.25432
2010	48632400822.98045
2011	61005998419.31282
2012	46279036520.56365
2013	24499850739.297108
2014	28381984442.52031
2015	18037876674.6577
2016	14597295662.428505
2017	18563516814.552147
2018	24033385819.826183
2019	24523079945.529747
2020	12490856554.167784
2021	12532367545.0321