Year	constant 2015 US$
1960	2999033796.313358
1961	3117651723.401062
1962	3172931674.0334024
1963	3305378806.9536853
1964	2961031121.2211432
1965	2486519629.4556813
1966	2711192776.2320065
1967	3149719088.819061
1968	3221908283.108459
1969	3408812068.2822733
1970	4078721174.837886
1971	3831658382.8168917
1972	3773199115.0281057
1973	4386169738.083275
1974	5185798277.641763
1975	6776860516.391891
1976	8557790790.266117
1977	10528648801.538546
1978	8527005769.309962
1979	8833880649.851706
1980	7742213065.668768
1981	8301054372.62469
1982	8422851573.425321
1983	7999126168.15566
1984	8615729995.53087
1985	8891160903.619993
1986	8706316276.707378
1987	9464932666.506351
1988	9878679092.428572
1989	10669879217.46932
1990	11648986836.191128
1991	12217416761.011047
1992	13462874818.259941
1993	12749484947.465689
1994	12689305730.367386
1995	13850531737.549843
1996	13051582457.129805
1997	14304322671.519062
1998	15460085379.894009
1999	16564373871.787165
2000	17820465011.014706
2001	18063554470.6129
2002	19245974224.77576
2003	20612453361.19508
2004	22627617726.684677
2005	24808044502.99121
2006	26852242907.042267
2007	30884658700.54231
2008	35161565838.654434
2009	32220606380.887043
2010	34742846505.86313
2011	37895821884.34981
2012	39165189709.01367
2013	39137214369.14869
2014	40635611372.17163
2015	41176430827.741905
2016	47286721223.9982
2017	49485179227.08734
2018	51860169385.60177
2019	52964819581.252785
2020	46668725913.293724
2021	51524033452.50473
2022	56168900772.67816
2023	60794268114.33619