Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	218023529.4117647
1991	248117647.05882353
1992	227788235.29411766
1993	168488721.94502065
1994	212493037.85717902
1995	226100406.87312955
1996	235449867.61252937
1997	259769342.73877507
1998	341997046.82215834
1999	308942831.28800267
2000	321803866.78942186
2001	349531540.781621
2002	384223918.5750636
2003	375593715.7471684
2004	503397364.6610573
2005	488777065.2104896
2006	685038496.8790597
2007	843099143.5163238
2008	943378225.8192745
2009	813686590.0504277
2010	946168927.9272214
2011	767166461.2360164
2012	1016000824.3125545
2013	1035296308.9435942
2014	917387198.45208
2015	1235608896.7636728
2016	972155871.9928052
2017	846178729.9948374
2018	971233930.997814
2019	880563714.966762
2020	1058339381.7303847
2021	1254143715.3214474
2022	642070682.9925526