Year	current US$
1980	663860461.538462
1981	747546857.142857
1982	690751199.999999
1983	593442000
1984	649584333.333332
1985	649517999.999999
1986	804712941.176472
1987	1083687000
1988	841127764.705883
1989	854066666.666668
1990	835820000
1991	471963870.967742
1992	519219432.989691
1993	499940362.318838
1994	380198597.785978
1995	630750696.428572
1996	368842792.017987
1997	332751952.559407
1998	442416051.465576
1999	417169491.841249
2000	414379167.453178
2001	470297978.184648
2002	534208450.577756
2003	818722654.198649
2004	587487497.758872
2005	1141201227.86354
2006	1277445060.41173
2007	1481723964.73058
2008	2073872027.52225
2009	2125075932.75041
2010	1975183834.43888
2011	2061744959.40277
2012	1912759791.72142
2013	2099528167.94236
2014	2195890795.02121
2015	1925811892.07071
2016	2063851350.95668
2017	2304111720.60506
2018	2555717896.5797
2019	2720480821.76475
2020	2754401226.86174
2021	3325573391.03601