Year	current US$
1970	211000000
1971	238000000
1972	247719978.32999998
1973	269739208.22
1974	276823417.65999997
1975	965676986.5999999
1976	1355273696.8999999
1977	2596234405.45
1978	4307035781.9
1979	5364265350.1
1980	6041857665.9
1981	5471128356.9
1982	5661148528.7
1983	6830427063.2
1984	7040190612.1
1985	6139836211.500001
1986	6118203063.3
1987	7410711334.4
1988	7205976288
1989	6481886749.400001
1990	9575357970.900002
1991	10868207719.65
1992	13816841294.949999
1993	13159204551.4
1994	11424883677.5
1995	11852868287.344967
1996	11090924278.373318
1997	11430836015.968573
1998	11874306749.238657
1999	11425726045.41898
2000	11333146812.592978
2001	12755103438.215855
2002	15663727800.639774
2003	20198844305.278805
2004	22934668651.784397
2005	21750270363.45674
2006	23451111091.20893
2007	28278896953.336887
2008	31937120868.315598
2009	30006475485.55199
2010	35957557452.787155
2011	37150462995.46353
2012	44136727285.71581
2013	45722942912.820244
2014	51640993686.45565
2015	48238965817.18128
2016	47648319757.285515
2017	54015770201.664986
2018	54974996100.76437
2019	57116225065.93893
2020	59448469875.02192
2021	67028264454.00452
2022	64289264843.59903