Year	current US$
1970	156550001.10715616
1971	151389999.39151067
1972	210289995.92550093
1973	212499999.18229836
1974	317849994.4992359
1975	348300001.5784053
1976	256990006.55673423
1977	280249994.8404735
1978	335650004.2770063
1979	363350001.39661133
1980	371030009.7204745
1981	417389996.6459725
1982	432650011.8728725
1983	384780011.17892545
1984	401010001.2440231
1985	316000006.0126189
1986	311790008.0196562
1987	320819992.10640764
1988	360090002.3244325
1989	435200004.8756599
1990	421189991.13142496
1991	405770008.76143587
1992	408309996.13367045
1993	367449996.52355945
1994	419259997.3939362
1995	417450004.605577
1996	426729995.9883097
1997	389660003.455356
1998	390899995.6287442
1999	346320003.50579596
2000	434230009.0566276
2001	335710001.70893955
2002	382540002.3479012
2003	446200007.12573576
2004	594630001.3251601
2005	657760011.1216305
2006	683519996.8125666
2007	871550014.9689623
2008	1074139984.6002464
2009	1054520002.7599937
2010	1576780003.108084
2011	1950120006.9971373
2012	2155960000.58204
2013	1842599998.5337255
2014	1583429999.2974849
2015	1307840017.1343234
2016	1037739995.7180027
2017	1271919982.09618
2018	1179420010.4810302
2019	1136820017.1273203
2020	1037809991.6819484
2021	1670369974.9764042
2022	1391820005.9961524