Year	current US$
1970	5220000.011846419
1971	5340000.00357628
1972	6129999.96356666
1973	5370000.00663102
1974	8019999.910146
1975	10800000.108778499
1976	7889999.97451901
1977	7969999.96714294
1978	11080000.1379102
1979	10319999.890402
1980	11759999.9587983
1981	11859999.8857826
1982	10829999.9758601
1983	13619999.9824166
1984	16429999.8357892
1985	19410000.1361221
1986	21889999.9912828
1987	28280000.0105053
1988	32279999.9266863
1989	45310000.1830608
1990	51490000.3299117
1991	52899999.8606741
1992	59189999.3419647
1993	60380000.770092
1994	69169999.7186661
1995	77670000.3147125
1996	93940001.1748075
1997	42989999.7673929
1998	43229999.7806549
1999	24650000.0357628
2000	23389999.836683303
2001	25379999.9952316
2002	21809999.9129772
2003	21269999.921321902
2004	26679999.9177456
2005	30590000.0929832
2006	23659999.8474121
2007	28640000.2241135
2008	24920000.1358986
2009	24989999.7711182
2010	22739999.9499321
2011	25510000.1096725
2012	19839587.1818066
2013	23158918.7979698
2014	34737588.8228416
2015	35241229.057312
2016	37583755.612373404
2017	38520009.405911
2018	37099963.8438225
2019	50200000.8225441
2020	37881999.6714592
2021	35820999.979972795
2022	30127999.96137619