Year	constant 2015 US$
1980	473163308.7898741
1981	504319616.7027818
1982	479540731.46078414
1983	498099305.8174372
1984	497378048.92996395
1985	493239954.8485516
1986	486881053.1229216
1987	522302546.08900326
1988	528670953.80667895
1989	553593023.6377944
1990	576915506.4168031
1991	605325368.973194
1992	684150727.2645173
1993	731227805.0084065
1994	795221999.1961836
1995	865447258.554302
1996	884090879.2858675
1997	872705229.2855937
1998	885629147.5845174
1999	862813796.444823
2000	761946838.5035338
2001	708926177.8795934
2002	673225160.665585
2003	727409595.900184
2004	794116587.2415019
2005	851267674.4589528
2006	860258217.3952922
2007	861803586.0874438
2008	892622813.6895592
2009	923398703.6699934
2010	1036318116.1697406
2011	1093154301.5197937
2012	1149987256.8943717
2013	1275273678.805497
2014	1272033674.6902304
2015	1283709265.1397927
2016	1338197939.3995044
2017	1394498631.4474657
2018	1442387290.8016334
2019	1471611270.1962101
2020	1471686099.4074621
2021	1490246243.1617727
2022	1517018461.9857328
