Year	current US$
1960	191423445.37815127
1961	193072412.52521008
1962	198110645.26337445
1963	169771677.09243697
1964	181510184.78991595
1965	243067226.8907563
1966	243277310.92436975
1967	255144032.9218107
1968	236660736.1512605
1969	247226890.7563025
1970	272773109.24369746
1971	297470489.0387859
1972	317755443.8860972
1973	315000000
1974	412481203.00751877
1975	353780313.83737516
1976	359215219.97621876
1977	351521984.21646
1978	259000640.6149904
1979	308156711.6249197
1980	343920145.1905626
1981	327792207.7922078
1982	396059586.7371456
1983	420271993.20017
1984	469143081.76100624
1985	611156111.9293078
1986	659528907.9229122
1987	663654891.3043478
1988	686859478.1515247
1989	732593619.9722608
1990	783949076.3854219
1991	885496736.7657723
1992	934793520.4198039
1993	947661423.8410596
1994	1133184945.3662484
1995	1494712195.121951
1996	1465912791.7495928
1997	1562907211.3917613
1998	1547633824.670287
1999	1413517974.2355607
2000	1716517335.4109855
2001	1616394359.8925693
2002	2103256234.5808072
2003	2296125155.4082055
2004	2609635339.460421
2005	3194398009.9502487
2006	4344323791.131023
2007	4940598689.607996
2008	6588786175.552676
2009	7408331007.071456
2015	7586617945.602813
2016	7190853798.919612
2017	7411581089.076979
2018	8135125629.844667
2019	7986912161.56207
2020	8765882906.96935
2021	8374879191.082101
2022	5322008340.147885
2023	5779883010.29728