Year	constant 2015 US$
1971	323934800.47480386
1972	339847368.5985828
1973	318251585.00162154
1974	383038796.89132947
1975	336437537.7092082
1976	279606762.33101195
1977	348940159.09678435
1978	320524828.7560102
1979	286426563.8059144
1980	283016709.0503003
1981	265967507.22615102
1982	433049444.49864393
1983	384175173.7632229
1984	360306635.2722947
1985	403497713.4197369
1986	386448511.7816462
1987	416000474.68952495
1988	454645321.20945966
1989	460845560.48483336
1990	501019958.9284853
1991	522559509.6394727
1992	624720288.772094
1993	585335718.272611
1994	632522425.1567498
1995	659028586.2374799
1996	743444893.7443047
1997	774893143.775379
1998	780391259.27444
1999	811349660.7436883
2000	897354740.2642903
2001	980003667.9923745
2002	1005546021.1817391
2003	1016423148.1427824
2004	1017052020.5099188
2005	1084413415.3110075
2006	1117752586.6546707
2007	1071702142.8084124
2008	938044251.1135833
2009	945427574.0667094
2010	941843135.5192841
2011	945311638.7761327
2012	948527110.503825
2013	990273229.1673971
2014	1075686892.9545436
2015	1142878265.5785677
2016	1216384930.1912832
2017	1209537784.7208972
2018	1255414746.7156513
2019	1396734312.249688
2020	1443765381.144404
2021	1516501748.0760338
2022	1626849825.288809
2023	1741917355.8030648