Year	current US$
1969	850000.157952309
1970	9599999.84502792
1971	20120000.0606477
1972	30470000.475645103
1973	43669999.9570847
1974	47709998.786449395
1975	161660002.598539
1976	79769999.0309775
1977	111989998.221397
1978	104149997.94960001
1979	109959999.2726
1980	104190001.010895
1981	128629997.43223199
1982	169989996.314049
1983	180419999.58455598
1984	162370000.39219898
1985	146329996.641725
1986	136369995.603338
1987	169239995.727316
1988	189639998.68370602
1989	186830000.758171
1990	183829998.73161298
1991	204290000.08106202
1992	246749999.284744
1993	119529999.494553
1994	169460000.51498398
1995	112630002.49862699
1996	38259999.781847
1997	111880001.425743
1998	48120000.3921986
1999	70639999.2704391
2000	55550000.4291534
2001	60920000.910759
2002	55279999.9713898
2003	43190001.0108948
2004	40329999.4468689
2005	54920000.1955032
2006	36710000.410676
2007	42280000.597238496
2008	49390000.2241135
2009	57299999.5946884
2010	55099998.831749
2011	56490001.2016296
2012	45630348.853766896
2013	32077974.658459395
2014	16784099.623560898
2015	19719580.6056261
2016	17467469.8412418
2017	22656499.929726098
2018	19653837.9471749
2019	15757271.2302208
2020	19896104.4102907
2021	22020899.8247981
2022	27858436.46526336