Year	current US$
1970	69279999.69944358
1971	80150001.13099816
1972	82849999.75003296
1973	128470001.38647854
1974	170750001.59069896
1975	287029997.53691256
1976	223870001.9605457
1977	260310001.6526878
1978	435669998.8618493
1979	603080004.049465
1980	592070001.2408199
1981	576869998.7232683
1982	588099999.3756413
1983	532019999.34017646
1984	476210000.79065585
1985	498240000.73969376
1986	665559996.4242431
1987	807890005.7859718
1988	847310002.3120642
1989	968869997.8664519
1990	1199399989.8135664
1991	1294180008.0537794
1992	1215540009.67741
1993	1232390002.1314626
1994	1135379989.3558033
1995	1307480005.9944396
1996	1529600013.494492
1997	865610005.9151647
1998	957720003.426075
1999	851549993.5299158
2000	706760001.0316823
2001	645409997.2303953
2002	924109997.1290677
2003	1996730014.629662
2004	1451229980.9232357
2005	1235910003.868863
2006	1432870011.2290692
2007	1951720016.5763493
2008	1770649990.089238
2009	1619879993.6864526
2010	1805370000.2618134
2011	2028549997.9294841
2012	2244309967.0447426
2013	1696310003.5823882
2014	1685500019.550324
2015	1437870005.5945663
2016	1815619990.3078387
2017	2041119974.7305372
2018	2294519989.6972613
2019	2349070023.3764954
2020	3055920011.9469333
2021	3277449989.337474
2022	2569070008.8217845