Year	constant 2015 US$
1960	543957925.0861522
1961	440388336.144725
1962	713672797.713214
1963	724324630.5154711
1964	762937524.389441
1965	908068746.3696119
1966	946681640.2511846
1967	884767862.1241778
1968	1222297814.0057864
1969	1148400723.926823
1970	1174364566.3500133
1971	1316951560.1287365
1972	1756742814.3740916
1973	1467289602.2661173
1974	1248645446.5108333
1975	2044581224.7691891
1976	1655575485.3023329
1977	1795336575.988488
1978	2330239652.7872796
1979	2029079128.0518737
1980	1458004839.9261744
1981	1446611146.5817845
1982	1106498602.1302764
1983	983238868.2834911
1984	1369595988.7491264
1985	1736964530.4286673
1986	1207192772.1148868
1987	1418638019.2485719
1988	1472984208.8378422
1989	1250268752.6618485
1990	1471368531.1144145
1991	1902288639.0333366
1992	2003542291.9585493
1993	2002157308.345743
1994	1789882207.3256347
1995	2010194349.1680832
1996	2387863194.2349005
1997	3109798427.8561354
1998	3996404616.9635615
1999	3246594772.9903
2000	3007081255.4410763
2001	2481770131.3750606
2002	2925044943.889801
2003	2549825764.3545327
2004	2247800349.6263857
2005	2851685136.1441956
2006	2706532132.7365046
2007	3005779369.3244987
2008	3886873601.9117274
2009	4037635876.382318
2010	4326206567.231169
2011	5444602084.114866
2012	5084717775.834681
2013	5900538278.904927
2014	6638697975.550111
2015	6692861577.424023
2016	7352914265.260461
2017	8518543524.199918
2018	8480185172.546474
2019	8529780008.694527
2020	6351522303.876283
2021	7084394475.665374
2022	6915196113.133971