Year	current US$
1970	73619999.40499665
1971	80350001.21966007
1972	73209999.93197615
1973	124670001.7880648
1974	173960000.71987513
1975	214069999.76374215
1976	194700001.67563546
1977	230510001.21235847
1978	416659998.1188774
1979	577260004.3043492
1980	528280001.53601176
1981	505689995.0206279
1982	519290000.0214576
1983	492679998.3382225
1984	429260000.52690524
1985	445049998.99864197
1986	605289997.9352953
1987	752040006.5183641
1988	768020002.7823447
1989	821779997.8852272
1990	1113060001.3434892
1991	1034110013.604164
1992	957740010.6191632
1993	1032839998.8897148
1994	859929995.7118931
1995	978580004.3568015
1996	1020970008.5800142
1997	759970010.3476639
1998	790970002.9566886
1999	705339998.807758
2000	622349999.1763384
2001	577809994.427487
2002	815559994.5150313
2003	1786270008.0946083
2004	932769999.9399481
2005	4264339986.0151186
2006	3368080058.2952824
2007	3874510043.4199023
2008	3444160028.8730116
2009	1491269993.938506
2010	1646049999.4046986
2011	1910399999.2646282
2012	2185629966.799171
2013	1684030002.8547647
2014	1811020019.1624463
2015	1509240019.4592776
2016	2124219982.601703
2017	2777860021.6712813
2018	2882669986.1865478
2019	2883990020.332858
2020	3139820022.819566
2021	3416329983.5007653
2022	2728680020.6564364