Year	constant 2015 US$
1970	5230792688027.185
1971	5410485438430.517
1972	5662924674004.504
1973	5997088580484.984
1974	6120912759962.797
1975	6081006649584.248
1976	6412561717149.351
1977	6560150502026.711
1978	6730230352414.53
1979	7035515360512.735
1980	7206537868123.682
1981	7119737736381.947
1982	7163542424350.491
1983	7219575507577.667
1984	7346349546334.283
1985	7518827682916.996
1986	7803270487097.313
1987	8073675284303.316
1988	8421510628268.849
1989	8754990356598.778
1990	9060259738759.338
1991	9224911745908.105
1992	9343978515824.297
1993	9171992693233.236
1994	9397465049984.629
1995	9614088823082.41
1996	9776642641641.104
1997	10001155724042.418
1998	10381289458530.172
1999	10732740658634.666
2000	11104179265009.514
2001	11289908824503.379
2002	11359639534302.203
2003	11530094896190.834
2004	11784552210412.33
2005	12026112409611.223
2006	12433953106858.08
2007	12845310724099.148
2008	12922178374735.209
2009	12401222105088.787
2010	12607355284321.535
2011	12741387237518.363
2012	12481536125286.158
2013	12429215848798.467
2014	12637831012201.633
2015	12963597968312.77
2016	13271253711453.102
2017	13626328460172.47
2018	13924680153929.008
2019	14252321244179.709
2020	13502658341662.025
2021	14198864794573.254
2022	14701895915155.748
2023	14676018170912.447