Year	constant 2015 US$
1972	338666449473.624
1973	354127313636.4575
1974	448770205161.08185
1975	552338124178.1025
1976	639903793294.965
1977	673258687658.7401
1978	630261216995.8328
1979	544022622009.6778
1980	580613202138.4535
1981	572231976403.3468
1982	574376948017.3247
1983	649659854568.727
1984	623096417282.243
1985	628550102472.6326
1986	595677072614.0637
1987	569773981160.112
1988	535468108801.5295
1989	565123764275.4635
1990	615066259806.3611
1991	671042183469.6044
1992	679034371549.6827
1993	651632687669.9792
1994	632481952197.0787
1995	654145244763.3271
1996	700026170997.3037
1997	714953875312.1459
1998	740341728165.591
1999	755239497652.3553
2000	796736495266.6287
2001	852157643331.4805
2002	917368334977.9457
2003	972945786353.412
2004	1029592763311.602
2005	1062860855580.2025
2006	1124358133458.7747
2007	1224874088001.7808
2008	1299042686678.9983
2009	1360585936528.3286
2010	1452732727709.7473
2011	1475350744954.8665
2012	1527447778362.7656
2013	1551643300514.434
2014	1595000754237.004
2015	1530589099663.89
2016	1617094225472.426
2017	1655228373077.4136
2018	1663094481889.206
2019	1665034122654.647
2020	1627085181850.1128
2021	1725936468410.2327
2022	1787690974134.506
2023	1820869935361.175