Year	current US$
1970	13808064.6184128
1971	14235689.5325265
1972	17627757.3990293
1973	22055421.6833663
1974	23799897.3884154
1975	30716292.7070861
1976	41034443.2253354
1977	39107228.8427133
1978	54760964.6733449
1979	68430003.4193304
1980	80569738.1818769
1981	63681671.8195446
1982	86398519.8295703
1983	81913858.9643296
1984	74476699.9613956
1985	65932424.853845
1986	91953190.0854468
1987	116497984.754958
1988	122765104.590816
1989	131106311.748121
1990	178670305.764959
1991	192865329.438994
1992	183829283.636546
1993	278858973.363926
1994	241630381.467888
1995	346009982.680361
1996	407347449.790446
1997	382366825.536086
1998	414913609.833392
1999	601299084.178645
2000	542472938.56658
2001	545221379.894993
2002	589241479.689005
2003	733276415.825095
2004	829505890.481926
2005	855496825.612125
2006	907386449.761681
2007	1025027851.62517
2008	1263406202.26692
2009	1308763636.65903
2010	1292853558.37206
2011	1397908447.78464
2012	1316355033.87761
2013	1322548364.24725
2014	1358047726.25495
2015	1080576899.65488
2016	1110730468.1272
2017	1262306689.76246
2018	1425999128.40523
2019	1478754331.83243
2020	1654057511.11489
2021	1862104294.84116