Year	current US$
1960	8489999.77111816
1961	11439999.5803833
1962	6789999.96185303
1963	6489999.771118159
1964	12750000
1965	15220000.2670288
1966	10590000.1525879
1967	9560000.4196167
1968	7889999.8664856
1969	9789999.96185303
1970	6000000
1971	2059999.94277954
1972	8710000.03814697
1973	10449999.8092651
1974	14319999.6948242
1975	14460000.038146999
1976	13270000.4577637
1977	27469999.3133545
1978	43450000.762939505
1979	48470001.220703095
1980	48139999.3896484
1981	35209999.0844727
1982	26360000.6103516
1983	32380001.068115197
1984	28930000.3051758
1985	23969999.3133545
1986	32930000.305175804
1987	43540000.9155273
1988	38270000.4577637
1989	29659999.8474121
1990	53630001.0681152
1991	52919998.1689453
1992	56009998.3215332
1993	54209999.0844727
1994	57779998.779296905
1995	57750000
1996	33049999.2370605
1997	28440000.5340576
1998	34959999.0844727
1999	29149999.6185303
2000	13130000.1144409
2001	29149999.6185303
2002	22159999.8474121
2003	34189998.626709
2004	21920000.0762939
2005	46709999.0844727
2006	34779998.779296905
2007	50919998.1689453
2008	70260002.1362305
2009	56020000.4577637
2010	91139999.3896484
2011	124089996.337891
2012	89620002.746582
2013	117790000.915527
2014	86370002.746582
2015	92629997.253418
2016	147639999.38964802
2017	147610000.61035198
2018	121309997.558594
2019	70529998.7792969
2020	105379997.253418
2021	125029998.77929701
2022	96620002.746582