Year	constant 2015 US$
1970	45056453068.22655
1971	50770311313.39842
1972	52814892820.90702
1973	59164728293.03671
1974	64926817063.56406
1975	64352311288.79843
1976	66604471563.01406
1977	67004026016.64726
1978	65638409813.04375
1979	65713198748.4621
1980	68358685780.45584
1981	70244399465.6945
1982	71857374911.18552
1983	70969573762.46834
1984	68840739174.58435
1985	69281819367.17497
1986	73187510002.05974
1987	77056330414.07614
1988	82316251431.28082
1989	84738972684.12065
1990	90195174298.26714
1991	94009940351.76518
1992	98462858277.48666
1993	99547769938.78784
1994	100568461884.46675
1995	101167961656.11948
1996	104726166167.81517
1997	108288330531.01752
1998	113469706911.66908
1999	119444252977.08354
2000	123848560924.04097
2001	124950741043.97182
2002	126553743078.089
2003	126150023513.06439
2004	129374836043.82063
2005	131414642207.84798
2006	133407942029.55188
2007	136755565432.65851
2008	138631261326.00772
2009	135426143758.57295
2010	138616227426.33975
2011	133543359187.36552
2012	126440846812.9292
2013	125122429287.69287
2014	128101265029.62335
2015	130712099755.01712
2016	134057860285.9804
2017	136874253355.10735
2018	140453862589.489
2019	145037286968.97028
2020	134853101431.31013
2021	141228331434.48044
2022	149066805899.52612
2023	151543934354.42096