Year	current US$
1960	84150000.90003009
1961	140959998.81625202
1962	76650000.9894371
1963	91839997.2915649
1964	126339998.64012
1965	105610001.444817
1966	94639998.4359741
1967	101209998.518229
1968	119939998.716116
1969	99950001.3589859
1970	101330000.180751
1971	137660003.671423
1972	133500001.19209301
1973	140979998.111725
1974	212899999.976158
1975	248889998.931438
1976	180970001.23933
1977	122080002.794042
1978	230789999.274537
1979	259349996.682256
1980	214460000.85771102
1981	265320002.33233
1982	259419996.209443
1983	243340008.98152602
1984	219630002.722144
1985	273709999.442101
1986	404769997.663796
1987	321760001.271963
1988	421740001.58906
1989	328100003.838539
1990	442509999.871254
1991	495229995.99576
1992	491929995.22388
1993	325360002.353787
1994	369770003.55720496
1995	302129995.82290596
1996	212259999.513626
1997	129960001.178086
1998	206589994.102716
1999	209909996.464849
2000	109550000.816584
2001	221759997.81489402
2002	216320000.914857
2003	194149996.289983
2004	192229996.57131702
2005	251440009.206533
2006	377389996.021986
2007	544329996.798187
2008	676289990.078658
2009	844590002.048761
2010	1127730013.38542
2011	1291739980.66783
2012	943919968.903065
2013	1276549999.1178498
2014	1194460011.24382
2015	1344509992.4802802
2016	973150009.719655
2017	1267369983.35272
2018	938799986.042082
2019	1209320006.57916
2020	1472860038.10167
2021	1704229993.22414
2022	975549990.6241889