Year	constant 2015 US$
1960	53519931.203981124
1961	54838160.26606128
1962	56815503.859181456
1963	58792828.28045263
1964	60934974.470905416
1965	56607736.78641668
1966	66749020.70056408
1967	73624448.57463191
1968	86515880.63123283
1969	87432609.46058652
1970	85942925.11324483
1971	108173503.35747264
1972	136591962.85972172
1973	179162356.55356172
1974	196694737.8909303
1975	186736009.8523551
1976	192789361.1089195
1977	195936216.48175246
1978	189445800.91375244
1979	184310290.46810466
1980	175590841.15488106
1981	168903759.1025167
1982	159747245.48740542
1983	138265506.77600378
1984	126486607.29227872
1985	132124731.15289739
1986	134463026.18015277
1987	172291012.31196988
1988	206032427.00657764
1989	200219454.40332615
1990	206250949.5706423
1991	211889091.1097686
1992	214118128.46755782
1993	208866745.64797983
1994	202475602.69824463
1995	245900195.8881302
1996	237962985.96089244
1997	221455891.3775333
1998	210336123.92841566
1999	228434497.27271473
2000	196877365.26259637
2001	218906008.58453703
2002	174062679.18019468
2003	209092795.20261046
2004	210080750.84806004
2005	204822271.2109535
2006	232120301.5478646
2007	260520491.98960996
2008	265662791.6679934
2009	282591819.2048393
2010	299029518.5223385
2011	299552960.30912983
2012	273995195.0884783
2013	277638296.74522734
2014	271271636.87971014
2015	263547172.31487596
2016	304163139.1112114
2017	277538454.4469097
2018	299925599.40471697
2019	307255001.55208945
2020	299098763.98730075
2021	295959283.586066
2022	299549973.6537319
2023	303371965.67000407