Year	constant 2015 US$
1970	39696056782.67264
1971	41304834940.898415
1972	44502904882.451935
1973	48540613127.6535
1974	49604233236.58358
1975	48079226630.13866
1976	50745386106.310524
1977	54769689216.76755
1978	59776456006.256996
1979	64109185948.10152
1980	62663765810.814026
1981	64580123132.57887
1982	63211998320.32965
1983	61756265260.7238
1984	62391159603.10037
1985	63035129760.92224
1986	63759926823.313255
1987	63419571539.47224
1988	64597422657.5695
1989	69203060594.63394
1990	73816191072.2488
1991	73799071288.34645
1992	73430301379.37653
1993	74169755107.0527
1994	78411155495.30544
1995	84307496435.1113
1996	91286294793.70425
1997	100069487309.24333
1998	109915303591.13669
1999	119523459992.83237
2000	130332418896.28079
2001	137371011123.57533
2002	144039039359.5558
2003	150680013233.21124
2004	157300738496.6128
2005	172371538344.29794
2006	184113374576.671
2007	191891642434.21982
2008	184633053771.94638
2009	168778849062.44873
2010	162078275484.84756
2011	163280129804.82062
2012	167236990064.70813
2013	164428537779.33936
2014	179137126048.7511
2015	208544106164.10965
2016	249383493790.31354
2017	253680224476.90887
2018	247136209825.25223
2019	350752400435.567
2020	313691201551.396
2021	261605926626.38977
2022	283347647210.16125
2023	295733303816.1159