Year	current US$
1970	25609999.544918537
1971	22889999.929815494
1972	8160000.09886922
1973	19330000.087618858
1974	12549999.564886052
1975	24850000.606849805
1976	10649999.968707563
1977	11450000.274926422
1978	13530000.099912282
1979	19050000.20377338
1980	38510000.43377283
1981	83109999.67344102
1982	144620000.4164129
1983	205429998.4369427
1984	330919998.4073644
1985	409899998.33330506
1986	844609989.8517138
1987	1052450005.5275862
1988	1299090004.9004703
1989	933649985.3990967
1990	1000490013.5099883
1991	575379999.9356272
1992	658280006.5968184
1993	490899995.6957996
1994	434100005.2653256
1995	321120002.68697745
1996	304920003.6674737
1997	256349998.63617125
1998	519079997.2079696
1999	243350004.69721866
2000	271779995.27938676
2001	185060001.16653752
2002	815129994.4482743
2003	746100007.6793133
2004	354940001.4858693
2005	446790000.308305
2006	383329999.0966912
2007	353400005.71310526
2008	421659995.76449424
2009	457820008.9670718
2010	386639997.9293347
2011	808080014.3070524
2012	141850000.97006562
2013	165270000.81539154
2014	172600000.43362376
2015	263389998.65576607
2016	283839999.7353549
2017	318029998.47009766
2018	351019999.7667225
2019	259709999.67306852
2020	245670002.88888803
2021	923590026.1178616
2022	362499994.38039976