Year	current US$
1961	39375100.03968004
1962	49594594.685305275
1963	30959047.099741526
1964	18334969.784024317
1965	18034398.2577647
1966	207385607.31931657
1967	222979095.16343054
1968	246505842.79979447
1969	240228758.61472803
1970	249764472.49733984
1971	271696127.18540084
1972	379969615.92935777
1973	489853955.7143745
1974	664193538.899525
1975	817689749.511939
1976	1048583106.2752306
1977	1085314820.3986742
1978	1031800912.0303277
1979	1198362889.040693
1980	1314400685.613215
1981	1361310182.224842
1982	1494703537.6460545
1983	1440350089.4608757
1984	1297714241.5137265
1985	1143226923.045988
1986	1351366490.9445379
1987	1466382794.305177
1988	1480334065.7816288
1989	1474023436.8159325
1990	1644729609.2743986
1991	2103791224.031778
1992	2211520204.994442
1993	1908250065.414889
1994	1782365162.856565
1995	2046319367.753288
1996	2225453968.0212317
1997	2228398679.1728573
1998	2082601031.654828
1999	2062948095.5870433
2000	1920212362.6855526
2001	1914160973.8825974
2002	1905686460.2920513
2003	2401247325.400144
2004	3040073157.127082
2005	3955658166.415663
2006	3843549032.017871
2007	4564293646.691069
2008	5774694308.429693
2009	5068997395.735565
2010	5738194377.213552
2011	6637433137.141929
2012	7688015565.369834
2013	8039395558.784312
2014	7702191758.1963825
2015	7212547987.325164
2016	6738071934.047435
2017	7466795729.624538
2018	8667392614.392824
2019	8580949906.479365
2020	8588205269.56143
2021	10015197430.586906
2022	10297418838.05449
2023	11288029149.628933