Year	current USD
1967	14629994.1480023
1968	16239993.5040026
1969	20089991.9640032
1970	29539988.184004698
1971	42559982.9760068
1972	53689677.8619328
1973	77916010.2444597
1974	120044738.214172
1975	138323476.03230202
1976	136687529.91905
1977	190729876.55035898
1978	421677764.018646
1979	375458521.873958
1980	232291721.313375
1981	331019096.97700596
1982	366761862.79906803
1983	332950425.386797
1984	293025202.390761
1985	345976202.331691
1986	260704018.594409
1987	161608082.11589098
1988	124833697.74634601
1989	105316752.338241
1990	87154458.2068739
1991	108141651.87514
1992	96907036.42495331
1993	58725701.624086395
1994	58375569.7749941
1995	85513656.0872152
1996	101038489.457341
1997	118603807.737673
1998	134276958.07399398
1999	128497943.630087
2000	135055952.644211
2001	150728196.327755
2002	140753561.773795
2003	125254713.892259
2004	127567862.814758
2005	139493591.276696
2006	147417924.75437298
2007	166215543.275718
2008	194000300.92534497
2009	219476865.281638
2010	282725098.810022
2011	307473984.174236
2012	359739418.825016
2013	443379945.514983
2014	507285798.994075
2015	517075761.79918796
2016	544218297.944157
2017	562697119.5868729
2018	599968275.122704
2019	618943445.56818
2020	676410078.539629
2021	759492508.1210229
2022	832234478.719924