Year	constant 2015 US$
1981	46522687661.77996
1982	47867751911.073235
1983	47168916972.9162
1984	46210189182.43133
1985	45437128020.63258
1986	48749483397.455574
1987	51823223463.5133
1988	51831982803.92118
1989	56559345291.27364
1990	55193163637.43689
1991	56099905100.47953
1992	54782964078.230934
1993	58341613544.04837
1994	57934729556.62239
1995	60129176154.26776
1996	66599118685.12709
1997	69081853593.37354
1998	69687828304.32437
1999	72462322385.83362
2000	71957318509.16704
2001	75797948060.57005
2002	76141506035.24841
2003	77416451468.04341
2004	78821690920.59048
2005	82676291487.10135
2006	86759670320.57693
2007	88693053143.34254
2008	91723311855.56905
2009	94312343393.59673
2010	98117322304.45213
2011	101213049176.48967
2012	102273345388.9302
2013	106163998636.85825
2014	111729700034.05894
2015	115566237198.7832
2016	118262409687.44783
2017	122933315868.52678
2018	125558905122.78745
2019	127693476598.00185
2020	132572635993.25598
2021	138314200478.6876
2022	142208741574.00253
2023	144407008410.86978