Year	constant 2015 US$
1981	146303321319.716
1982	151215144229.54688
1983	153467591581.9989
1984	150613743490.77936
1985	158168417931.42136
1986	167901595172.7364
1987	171777009017.49942
1988	176799606336.76025
1989	185308268134.2573
1990	189212867456.29532
1991	194396627753.55655
1992	199189039601.6834
1993	201840314232.92355
1994	202127429694.35086
1995	209771057427.33206
1996	221695314137.29572
1997	227712910065.51428
1998	237139958463.77872
1999	244157710599.44034
2000	248585520149.66626
2001	257740673753.08603
2002	280162695892.3871
2003	291356227268.3497
2004	299639184071.62506
2005	318047446281.2327
2006	333280979176.691
2007	345215746742.17175
2008	357156031761.5214
2009	373458774264.08655
2010	386027513656.7161
2011	396464354378.8118
2012	412353683970.6658
2013	425102501455.9212
2014	437727891924.2022
2015	449437456649.5785
2016	461691517976.69196
2017	477441373173.2142
2018	490849615738.75684
2019	502684014655.0717
2020	514064270848.2031
2021	525484874126.92126
2022	540576454680.94904
2023	552060455518.384