Year	current US$
1970	10800000.1907349
1971	13100000.3814697
1972	10279999.7329712
1973	12359999.6566772
1974	19440000.5340576
1975	41569999.6948242
1976	32400001.5258789
1977	29569999.6948242
1978	32720001.220703095
1979	39270000.4577637
1980	37720001.220703095
1981	37200000.762939505
1982	34560001.373291
1983	33240001.678466797
1984	32069999.694824196
1985	30700000.762939498
1986	32599998.4741211
1987	49630001.0681152
1988	76029998.7792969
1989	56889999.3896484
1990	60260002.1362305
1991	59979999.5422363
1992	57909999.8474121
1993	59899997.711181596
1994	67660003.6621094
1995	77520004.2724609
1996	85010002.1362305
1997	97639999.3896484
1998	86220001.2207031
1999	89470001.2207031
2000	76729995.7275391
2001	75150001.5258789
2002	80139999.3896484
2003	110540000.915527
2004	137619995.117188
2005	183879989.62402302
2006	182949996.94824198
2007	214110000.61035198
2008	236070007.32421902
2009	207100006.10351598
2010	233060012.81738302
2011	277470001.220703
2012	314729980.46875
2013	302279998.779297
2014	355489990.234375
2015	312299987.792969
2016	322820007.324219
2017	336880004.88281304
2018	388589996.33789104
2019	390720001.220703
2020	394089996.33789104
2021	534929992.675781
2022	166729998.5587597