Year	constant 2015 US$
1970	309755918.7776696
1971	297641465.5943887
1972	316615694.9876221
1973	320129789.75861555
1974	334725278.54171306
1975	360986432.5092027
1976	378831635.45747894
1977	351669142.1226448
1978	397829386.2739234
1979	405762678.55281705
1980	341032772.53218716
1981	402989997.4916957
1982	419915908.3813565
1983	405645958.8534752
1984	442597153.78090036
1985	461037932.75543445
1986	457377994.0704256
1987	470641955.93252826
1988	492291485.8505966
1989	522321266.5931928
1990	554182863.7843499
1991	582446189.9636215
1992	588853097.8854165
1993	601219012.9391406
1994	620458021.47614
1995	647758174.4709342
1996	722898122.6854702
1997	769886500.6600262
1998	597079878.0195519
1999	697478986.4813893
2000	705153195.3673558
2001	738901627.3724597
2002	765900620.2339743
2003	763710672.5726072
2004	772660533.2416512
2005	823345295.6268637
2006	845299838.5443722
2007	866938047.6369144
2008	906163311.0577033
2009	928345745.5142641
2010	980382895.3970139
2011	1059647261.0859097
2012	1041496885.466182
2013	1075408773.0144205
2014	1085781367.5159707
2015	1152384166.796375
2016	1213536542.708937
2017	1271652706.062709
2018	1319485332.485262
2019	1378863398.742442
2020	1399546349.7235794
2021	1489116653.0606813
2022	1551659407.0252316
2023	1617578278.9288015