Year	current US$
1970	166999996.80370092
1971	163499997.73502353
1972	171169995.9039687
1973	179329996.86896798
1974	177999998.06284901
1975	280849997.6992613
1976	258260003.26871863
1977	237539993.88217926
1978	279430000.93102473
1979	304949997.55918986
1980	388650000.0469382
1981	351769991.1594387
1982	298259999.99046314
1983	276139999.86648566
1984	313929997.68257195
1985	347209998.36921704
1986	410509993.19553334
1987	499590003.3712381
1988	427750002.0861627
1989	421140005.94615984
1990	686510001.6593932
1991	794429997.1461303
1992	923130017.5786027
1993	867739989.3999101
1994	994929991.9605259
1995	1044379997.8494658
1996	1039680006.3848493
1997	770990011.5728377
1998	839700002.789498
1999	785759998.0831149
2000	645920001.7452235
2001	603509993.1955342
2002	524139996.17099756
2003	657399997.4727626
2004	781279990.9114841
2005	1466639975.4285817
2006	1698210012.1974938
2007	1580479985.8331678
2008	1338780034.303665
2009	892010000.7057192
2010	760759998.0831151
2011	1203099957.466127
2012	1249079992.0558932
2013	1107379987.2398376
2014	890360018.4917446
2015	579030001.8787377
2016	1041500014.9607662
2017	1408299982.5477612
2018	575670006.752014
2019	692949996.4714051
2020	962309997.5585934
2021	966179984.0927134
2022	1219649984.8365777