Year	current US$
1970	0
1971	920000.031590462
1972	499999.99627471
1973	309999.98934567004
1974	159999.99642372102
1975	209999.999031425
1976	1230000.01162291
1977	2009999.99977648
1978	250000.005587935
1979	639999.998733401
1980	2639999.93167818
1981	4820000.17724931
1982	4140000.10117888
1983	7540000.1052767
1984	12309999.8515099
1985	15249999.968335
1986	19260000.1692772
1987	28360000.073909797
1988	41990000.3373623
1989	55900001.257658
1990	47109999.2096424
1991	55640000.075101905
1992	44940000.1130998
1993	20760000.3164262
1994	20450000.107288398
1995	17169999.957084697
1996	13389999.9260902
1997	13109999.991953399
1998	19580000.042915303
1999	13300000.011920901
2000	14090000.2121925
2001	17500000.0279397
2002	25570000.0822544
2003	24099999.8599291
2004	20469999.7268617
2005	48470000.1515448
2006	42690000.429749504
2007	49920000.426471196
2008	58229999.050498
2009	71900001.9282103
2010	79810000.7772446
2011	77319999.6352196
2012	75230002.2691488
2013	78009999.1858006
2014	92180001.1396408
2015	63499999.7019768
2016	64470000.833272904
2017	48089999.3777275
2018	47700000.6735325
2019	45660000.7899106
2020	52080000.728368804
2021	63889999.1363287
2022	45659999.31097032