Year	current US$
1960	313582728.1475742
1961	333975336.1107222
1962	357635713.4193201
1963	371767002.1948862
1964	392247517.7284819
1965	416926303.3168722
1966	432794921.6804892
1967	449826322.6134528
1968	453980096.2087106
1969	471635621.5615988
1970	469266736.65067697
1971	501866730.1489865
1972	585427546.7982723
1973	647199482.9825367
1974	652532795.0848049
1975	864602104.6796529
1976	866044962.0162745
1977	935360464.7013409
1978	1113920123.767227
1979	1004316496.3505077
1980	1033002403.8530374
1981	876937558.2737565
1982	834369859.6630175
1983	832415806.0100639
1984	919103734.8769958
1985	1033069709.331904
1986	1067828245.8620746
1987	1163426852.2044249
1988	1482597297.988208
1989	1433686312.0291424
1990	1738605557.7631288
1991	1877137981.757122
1992	1881847669.6979368
1993	1463251163.918803
1994	1179837963.2221267
1995	1445919894.5766084
1996	1607345355.782984
1997	1544689576.9271238
1998	1744794531.2140133
1999	1534673583.2487004
2000	1388506771.587557
2001	1710843377.001189
2002	1997005708.8157554
2003	2742815071.5743995
2004	4422855660.82592
2005	6649307523.643773
2006	7428701453.9150915
2007	8650137743.325472
2008	10393833765.365057
2009	9290728318.988207
2010	10668103554.119226
2011	12172308851.039494
2012	12367362757.134161
2013	12953534866.428648
2014	13940767218.584887
2015	10950392256.954294
2016	10097778098.170738
2017	10000394381.017702
2018	11239167898.339537
2019	11314951091.728327
2020	10715396042.334282
2021	11779981332.159998
2022	12396807590.172993
2023	13149325358.73826