Year	constant 2015 US$
1970	6091953261.009393
1971	7559720595.171736
1972	8587027057.158788
1973	9057548904.420912
1974	9593421379.872223
1975	9750261909.86665
1976	11112175721.452776
1977	12404692680.4168
1978	13046613953.089499
1979	13458657862.012787
1980	14469249946.40025
1981	15220372968.56911
1982	14677445135.285805
1983	14916183697.09705
1984	16936424681.61744
1985	18635645984.306004
1986	19625507825.564957
1987	21660986921.658607
1988	21322515758.32942
1989	22170438145.877125
1990	22581023541.014553
1991	21938389348.655735
1992	25019252347.669502
1993	27483942541.057438
1994	31023469662.53594
1995	34140244414.90505
1996	36223331932.59297
1997	39511403456.11255
1998	41968581878.99322
1999	48031359204.1508
2000	59269765447.45084
2001	52351727112.90258
2002	51262649028.7724
2003	55414974743.7932
2004	65123312550.91982
2005	68166434029.41561
2006	71631156554.1787
2007	78955370524.42012
2008	83422586510.0125
2009	73372892671.84088
2010	84274666523.73404
2011	91234852279.06186
2012	90815391020.96829
2013	95414908794.64868
2014	96246736074.78247
2015	94578019810.47133
2016	96854943784.57193
2017	101577978302.8173
2018	107264242442.43398
2019	110378305733.03044
2020	107691863299.17253
2021	123771335362.97769
2022	134460116547.318
2023	133379877535.26877