Year	current US$
1961	10090000.1525879
1962	12600000.3814697
1963	3450000.04768372
1964	4000000
1965	9869999.88555908
1966	10220000.2670288
1967	9760000.22888184
1968	16059999.465942401
1969	13270000.4577637
1970	10500000
1971	17950000.762939498
1972	16950000.762939498
1973	15430000.3051758
1974	21219999.3133545
1975	20250000
1976	19680000.3051758
1977	24760000.2288818
1978	113739997.86377
1979	114389999.38964799
1980	110790000.915527
1981	136559997.55859402
1982	162610000.61035198
1983	171110000.61035198
1984	165360000.61035198
1985	165919998.168945
1986	174479995.727539
1987	160729995.727539
1988	184809997.55859402
1989	258910003.662109
1990	271579986.57226604
1991	164009994.506836
1992	122919998.168945
1993	105000000
1994	121169998.168945
1995	114510002.13623
1996	62409999.8474121
1997	76279998.7792969
1998	23100000.3814697
1999	-17229999.5422363
2000	14130000.1144409
2001	58900001.5258789
2002	28530000.6866455
2003	10550000.1907349
2004	86750000
2005	43750000
2006	40700000.762939505
2007	31659999.8474121
2008	89809997.55859381
2009	152279998.779297
2010	141100006.10351598
2011	41029998.779296905
2012	28059999.4659424
2013	71589996.3378906
2014	95989997.8637695
2015	59069999.6948242
2016	26850000.3814697
2017	61549999.237060495
2018	100309997.558594
2019	125169998.168945
2020	66870002.746582
2021	58580001.8310547
2022	95139999.3896484