Year	current USD
1960	51286741.8872214
1961	42466728.9512025
1962	43773397.5343164
1963	60760089.114797406
1964	84606790.7566264
1965	118580173.917588
1966	148633551.329209
1967	143406876.996753
1968	148306884.18343
1969	143733544.142531
1970	199593626.07065198
1971	228027756.482082
1972	251103008.980125
1973	296726189.25810295
1974	397163356.279626
1975	440725547.042752
1976	439885582.533631
1977	637879477.345121
1978	607070689.6253949
1979	778636837.199101
1980	1035886222.48355
1981	1446539242.74777
1982	1438303666.62527
1983	1342380183.0910099
1984	1273659777.09887
1985	1076905728.46189
1986	894074625.0154951
1987	1334714483.02138
1988	855741986.7266439
1989	1019255474.66812
1990	1125007856.20011
1991	1571959986.4730701
1992	1766520895.9794
1993	1923398171.7811
1994	2120597806.6197698
1995	2444098386.83916
1996	2420963933.95709
1997	2089087477.20559
1998	1158657313.14835
1999	1663289473.68421
2000	1533157894.73684
2001	1934473684.21053
2002	2237894736.84211
2003	2881578947.36842
2004	2823157894.73684
2005	3120337779.13913
2006	3266197405.7979703
2007	3970537327.23988
2008	4411795565.12172
2009	3964817704.63896
2010	3854285350.61113
2011	4692483660.13072
2012	4507252007.25201
2013	4915722759.45679
2014	4919245322.85852
2015	4532069852.24432
2016	4169374000.5069304
2017	3494832256.87397
2018	3445043719.60008
2019	3265281468.95385
2020	3374583531.65159
2021	3675489012.31587
2022	3670650686.93258