Year	current US$
1960	3149999.88861382
1961	14789999.9767542
1962	50680000.2753735
1963	56960000.5056709
1964	75980001.0919571
1965	95380000.6210804
1966	100050000.101328
1967	91600001.7523766
1968	147559999.32438102
1969	102400001.127273
1970	129540001.217276
1971	155520000.69804502
1972	138129999.74004897
1973	214459999.820217
1974	303919999.47652197
1975	372100001.981482
1976	300580003.401265
1977	287430000.388995
1978	480970000.326633
1979	654829996.585846
1980	623879998.259246
1981	727980003.722012
1982	578719997.763634
1983	522099998.088554
1984	671820000.689477
1985	787219997.316599
1986	889769992.828369
1987	886829999.223351
1988	1444820016.14571
1989	1549510010.95772
1990	1505000008.25524
1991	1609370001.9791698
1992	2325549997.56813
1993	1638559996.14298
1994	2065589998.4836602
1995	1741220003.60489
1996	1989650004.89354
1997	1780740011.5728402
1998	1663600000.97752
1999	1541199991.76264
2000	1107069990.87334
2001	1667370006.8891
2002	1799489996.49286
2003	2501629983.15692
2004	2907920008.1676197
2005	3196599999.6364098
2006	3366039988.04092
2007	4232409983.6349497
2008	4911760038.9719
2009	4806629963.15956
2010	4783579999.95351
2011	4842830004.73678
2012	5111969972.19324
2013	4736609929.0698805
2014	5288349957.46613
2015	4220299997.80655
2016	4846030022.21882
2017	5031530006.88553
2018	5638809949.75567
2019	5430090041.93544
2020	6709950008.928781
2021	4752940017.84921
2022	3131000002.2649784