Year	current US$
1970	10691600193.8542
1971	12273367542.9863
1972	14581493990.2409
1973	19001417675.5698
1974	22629836799.5089
1975	27244296477.0457
1976	29279403859.7531
1977	33251500339.3926
1978	36504538124.7245
1979	40572826317.0271
1980	49055200760.7709
1981	49394389079.4998
1982	48983815210.6095
1983	47407359543.6521
1984	47637584362.5212
1985	50815234761.2002
1986	62397983099.0573
1987	73362145174.749
1988	77939599467.2836
1989	75890325744.1626
1990	87291783069.0759
1991	91805864829.3197
1992	99207653583.497
1993	90617126106.0137
1994	96902836876.115
1995	117044413653.108
1996	123608763860.848
1997	124666787824.073
1998	123667428327.473
1999	126393144442.792
2000	125479906737.026
2001	133409260839.963
2002	151028972182.942
2003	178843729915.229
2004	205468855891.553
2005	242700829494.46
2006	268644598721.752
2007	312167779466.169
2008	347726419273.962
2009	299447588778.967
2010	338819149345.849
2011	385311841573.487
2012	397506822731.078
2013	412849278594.684
2014	401670147035.416
2015	317756972154.446
2016	306090193894.975
2017	325971915844.344
2018	353180070068.566
2019	324344668216.053
2020	290221613788.504
2021	378328312982.983