Year	current US$
1980	966202671.214088
1981	985529896.309303
1982	918086755.243169
1983	997915839.205639
1984	1018929437.18057
1985	960441191.510676
1986	961214247.819259
1987	920605928.180763
1988	1114890969.7679
1989	1278722842.04495
1990	1530539227.17409
1991	1836362074.97836
1992	1466829338.42006
1993	1735037852.6194
1994	855680147.456434
1995	989501321.532394
1996	1828279082.90372
1997	2218997337.01788
1998	1335461301.23884
1999	1409311364.09496
2000	1372059311.42518
2001	1330595076.21931
2002	2928126527.84211
2003	2586646717.81612
2004	2897942359.49487
2005	3026647305.71233
2006	3279988633.8562
2007	3636262449.25342
2008	4348872376.38325
2009	4857213087.32358
2010	5490727175.47936
2011	6419495340.35714
2012	4579247457.13225
2013	4261246194.5294
2014	4673215311.86341
2015	5050420437.71233
2016	4418846375.09946
2017	7603110540.89406
2018	8630240623.69172
2019	9748765625.72351
2020	10877136149.2215
2021	11287506853.7686