Year	current US$
1960	105050756.24549903
1961	111882192.28535263
1962	116552663.86361955
1963	130912621.25351512
1964	130354953.00536372
1965	139347353.50680336
1966	148967130.78741294
1967	165559642.1492043
1968	164433836.58259
1969	184450310.14914802
1970	216058413.18410048
1971	243310986.34468478
1972	276533042.31018007
1973	338278073.9020213
1974	409861873.72809076
1975	479046487.1089927
1976	523496714.3539126
1977	589467685.2154275
1978	662714568.2144983
1979	799309609.6179984
1980	1000072821.6095611
1981	1131617609.3406804
1982	1179268379.474012
1983	1237376184.814289
1984	1354958434.932432
1985	1421384412.5112166
1986	1520310247.1038632
1987	1670959081.1912694
1988	1777556804.0570776
1989	1980510117.8342366
1990	1966737930.6915927
1991	1981255904.1416001
1992	1928700000
1993	2023666285.4869986
1994	2105901655.6456027
1995	2158504449.8583007
1996	2293690647.839706
1997	2437577686.0736837
1998	2749316362.551584
1999	2866056779.197534
2000	2964350000
2001	2944900000
2002	2987550000
2003	3075550000
2004	3327650000
2005	3644500000
2006	3960922900
2007	4487950950
2008	4544458350
2009	4276757950
2010	4422823100
2011	4362197100
2012	4450284200
2013	4498853250
2014	4514397300
2015	4525708100
2016	4626774500
2017	4776711000
2018	4888345200
2019	5100139250
2020	4712756550
2021	4849276000
2022	5674673700
2023	6126564189.61345