Year	current US$
1960	12260000.2288818
1961	14880000.1144409
1962	-1610000.01430511
1963	1559999.9427795399
1964	-15229999.5422363
1965	-20209999.084472697
1966	2039999.96185303
1967	2079999.9237060498
1968	2349999.90463257
1969	15720000.2670288
1970	14890000.3433228
1971	9550000.19073486
1972	11630000.1144409
1973	10460000.038146999
1974	9550000.19073486
1975	8029999.73297119
1976	8720000.26702881
1977	10010000.2288818
1978	10279999.7329712
1979	14000000
1980	18129999.1607666
1981	15760000.2288818
1982	16559999.465942401
1983	16750000
1984	9869999.88555908
1985	12640000.3433228
1986	26020000.4577637
1987	22319999.6948242
1988	29270000.4577637
1989	21290000.915527303
1990	40569999.6948242
1991	29920000.0762939
1992	45869998.9318848
1993	34159999.8474121
1994	31540000.915527303
1995	20479999.5422363
1996	10300000.1907349
1997	10760000.2288818
1998	17959999.084472697
1999	11619999.8855591
2000	7400000.09536743
2001	9229999.54223633
2002	13079999.923706101
2003	16850000.3814697
2004	10869999.8855591
2005	13000000
2006	10920000.076293899
2007	11930000.3051758
2008	22120000.8392334
2009	22700000.762939498
2010	21930000.3051758
2011	21840000.1525879
2012	21409999.8474121
2013	19569999.6948242
2014	20469999.3133545
2015	41889999.3896484
2016	4119999.88555908
2017	10930000.3051758
2018	11140000.3433228
2019	9350000.38146973
2020	23239999.7711182
2021	11609999.6566772
2022	5889999.8664856