Year	current US$
1970	98850000.49136582
1971	103059999.4733931
1972	108949999.563396
1973	90950001.04419886
1974	121259999.68871462
1975	159010000.93109903
1976	112610001.78940588
1977	149809999.3634969
1978	201900003.21529818
1979	227699999.9936671
1980	228069996.91948298
1981	302600000.977516
1982	353869999.1721661
1983	327860005.3414703
1984	258200002.73920578
1985	326749998.03118414
1986	404959995.5379964
1987	535180003.732443
1988	403750001.74529845
1989	447409998.48954344
1990	1205569998.0612845
1991	1411489984.096959
1992	2459009981.6489987
1993	2179069970.754912
1994	2144709960.5165472
1995	4793020068.328828
1996	1448130005.9203062
1997	941580011.5223981
1998	880369995.3090402
1999	998130001.6418105
2000	743409997.8525196
2001	741060000.2501161
2002	1140209967.6895885
2003	880119992.887601
2004	1056929983.2545221
2005	970280004.0151927
2006	1124370011.391119
2007	1085400012.2211878
2008	1303059993.5501828
2009	1293260009.1956573
2010	1257639990.212395
2011	1341069992.6726527
2012	1231060005.0576038
2013	1219720010.2247298
2014	2273350028.2652674
2015	1947900014.5532188
2016	2596919999.8136606
2017	1871120004.8178425
2018	2246650008.6262813
2019	1700829998.014495
2020	2824689940.8679466
2021	2415880030.2669406
2022	2838349975.2245836