Year	constant 2015 US$
1970	36740449802.620285
1971	37856158213.22654
1972	41565254259.021454
1973	45459920773.82497
1974	45957063543.26598
1975	40321252872.87224
1976	45322462112.29255
1977	50132708650.05583
1978	45203677662.222244
1979	52590048924.10896
1980	51984470131.32849
1981	48849055492.221466
1982	45453695296.99569
1983	44024772506.87889
1984	46319187470.02108
1985	49292665374.20272
1986	49364313278.627716
1987	51015787711.91052
1988	56301869933.56325
1989	60157381738.456604
1990	63545461310.0941
1991	66595725272.897224
1992	66050487338.67339
1993	64208853491.06636
1994	68047347587.24331
1995	72419182310.91792
1996	72972174630.73433
1997	74260918233.7109
1998	76369369960.2812
1999	78979820794.2148
2000	80958415132.06636
2001	80268020735.87495
2002	77194192938.30074
2003	80782324341.19527
2004	82126898632.82808
2005	83411814416.33199
2006	85268195909.2812
2007	91628722647.62495
2008	91133558139.66792
2009	81695109501.18355
2010	81549541409.93355
2011	88730508550.37886
2012	88107317349.97261
2013	87459994244.19527
2014	88075208046.91792
2015	90930239902.46089
2016	94991589648.33589
2017	99244263797.07027
2018	105259166174.85542
2019	104524679736.39058
2020	98867495409.67183
2021	109583914280.96478
2022	108822255871.80853
2023	103046664329.40228