Year	current USD
1972	51429281.9115868
1973	112465598.243483
1974	187557473.61903998
1975	156541418.62306198
1976	133232399.69719902
1977	160545078.518595
1978	185943655.751885
1979	279396248.945885
1980	477266464.590796
1981	709699535.8231499
1982	599135224.0982289
1983	274611790.852867
1984	221851277.344512
1985	203645853.928586
1986	242349802.55424798
1987	223924938.586923
1988	259967029.93247
1989	297821236.424986
1990	328351062.01046604
1991	268628014.63081
1992	366965197.81407803
1993	418919638.983124
1994	450443306.000095
1995	523862025.515829
1996	575652014.65661
1997	575206289.458717
1998	573248407.643312
1999	574285890.663445
2000	555968792.3567721
2001	523008311.37239003
2002	344263066.284048
2003	269526777.199942
2004	279301971.522835
2005	347323784.856977
2006	392798690.671031
2007	416045332.538026
2008	567703932.828305
2009	577056008.5076209
2010	755659469.672421
2011	824833542.16069
2012	924640335.588313
2013	1045084368.4087199
2014	1034499446.67959
2015	969906845.518716
2016	988223629.628739
2017	1165710348.53799
2018	1271117731.00881
2019	1154916148.8039498
2020	1091535359.61401
2021	1258336961.2451599
2022	1375569573.16806