Year	current US$
1960	21899999.6185303
1961	25899999.6185303
1962	37140000.000595994
1963	0
1964	0
1965	7329999.92370605
1967	18790000.7665157
1968	25729999.5422363
1969	17700000.166892998
1970	49830001.6894937
1971	48200000.066310205
1972	57180001.100525305
1973	71029999.6640533
1974	63440000.1950562
1975	67160001.18106599
1976	63030000.1464784
1977	82210000.1182407
1978	83560001.5614182
1979	99910003.3864379
1980	115380003.780127
1981	112899998.996407
1982	137279999.84473002
1983	81330000.191927
1984	98999998.8283962
1985	77569999.018684
1986	122640001.06230399
1987	181549999.702722
1988	237040006.33768702
1989	244279999.461025
1990	254590004.071593
1991	192100003.607571
1992	76230000.3599375
1993	23279999.546706703
1994	18870000.353083
1995	37910001.102834895
1996	21940001.426264603
1997	31470001.4796108
1998	37040002.1038949
1999	140130001.466721
2000	216180006.29358
2001	232310001.87248
2002	226489997.388795
2003	173719998.471439
2004	141549998.93903702
2005	324530003.488064
2006	207610002.525151
2007	136100002.016872
2008	171699997.33567202
2009	157009994.868189
2010	73340000.6555021
2011	57029999.839142
2012	12409999.974072
2013	4809999.94836748
2014	-11179999.87863
2015	-4760000.10967255
2016	-6099999.60847199
2017	-5600000.28088689
2018	-8250000.033527609
2019	-6590000.020340091
2020	-9429999.72961843
2021	-3240000.26471913
2022	-2620000.205934044