Year	constant 2015 US$
1970	310106768.5933919
1971	366125914.7010082
1972	412378349.0799831
1973	492655688.4844938
1974	584154356.2580819
1975	692966243.1430243
1976	698401915.8520219
1977	712313738.1575447
1978	775813769.844546
1979	978639826.9639807
1980	986940985.0849648
1981	1034768342.7438102
1982	1093762343.9356263
1983	1152111064.0613844
1984	1250335966.6760862
1985	1156792086.0321107
1986	1040029023.9772666
1987	804632678.4727321
1988	754771044.9107206
1989	888902010.9130257
1990	874913629.8369536
1991	1009449263.6264478
1992	979635090.9811214
1993	992781325.5811517
1994	979985073.9322039
1995	1011964766.0873523
1996	1014469331.5810351
1997	1027068717.8199992
1998	1047433350.7861028
1999	1030524799.4619374
2000	1227608948.7901776
2001	1255246664.9584608
2002	1251615591.8409815
2003	1447890405.5948436
2004	1707654314.068486
2005	1740508963.60134
2006	1766954550.342499
2007	2183259270.6549373
2008	2172191059.826958
2009	2548269614.6993704
2010	2834785344.996369
2011	2759845245.595864
2012	2580205558.985634
2013	2342501513.3974
2014	2943541670.9941297
2015	2753840850.591357
2016	2519199155.8250937
2017	2361345907.9197392
2018	2496548696.709734
2019	2628820378.2844143
2020	2454353877.16987
2021	3099099031.834081