Year	current US$
1970	249599899.3
1971	302303083.39040005
1972	298043129.6715
1973	446299400.1026
1974	678019880.6676999
1975	1261838597.8115003
1976	1482744471.7023003
1977	2035959277.7411003
1978	2645324891.1353
1979	3260840804.6481996
1980	4322891735.3687
1981	3868266478.2434993
1982	3617440956.2894015
1983	3561737448.885
1984	3307886738.1211996
1985	3147562672.2447
1986	3491070528.6766005
1987	3527149423.0127993
1988	3587845649.8202004
1989	3447628967.6499
1990	3683801530.6483374
1991	3254954370.660627
1992	3429577382.216153
1993	3563861887.7726755
1994	3914667054.9167542
1995	4602742193.469215
1996	4806949855.151856
1997	4955594188.23717
1998	4754676863.269878
1999	5266971681.418628
2000	6363252930.350893
2001	7588656078.271553
2002	11544457224.8453
2003	15444393062.4708
2004	20780895229.22773
2005	25092596308.90291
2006	33592325338.04811
2007	44447308282.207085
2008	59992110878.787
2009	55014573029.62914
2010	57478488181.59878
2011	64967605248.9583
2012	76379314522.76976
2013	87348956258.57289
2014	87118877838.67236
2015	72685339360.90654
2016	68229939351.19574
2017	85659158748.06044
2018	90070100321.79626
2019	92790223108.13449
2020	84429410562.57162
2021	91432721035.49805
2022	82411774046.2551