Year	constant 2015 US$
1960	106878377.89511298
1961	130258020.05792461
1962	135267950.88719332
1963	146957764.349714
1964	163657508.64150336
1965	165327490.53526092
1966	182990676.03063104
1967	224675822.77075645
1968	237393313.89709502
1969	255056514.4373523
1970	271306648.64214313
1971	298154712.27517384
1972	396362057.03679657
1973	335079376.6582216
1974	402237585.6105547
1975	619262404.1295941
1976	694901139.7533728
1977	778319002.0806258
1978	560587655.6016988
1979	550688945.7900941
1980	728126246.907789
1981	864672798.1370478
1982	906771600.7700408
1983	1098229633.4093761
1984	1199632836.2430034
1985	1173275325.0427215
1986	1110310159.5047607
1987	893592845.1698997
1988	881878395.7046893
1989	795118254.6061335
1990	772055432.3058867
1991	796242109.6042336
1992	841244319.4990509
1993	824239689.6049778
1994	831000306.1887473
1995	833971113.0018882
1996	983251942.3654016
1997	998983973.4771955
1998	1250727934.5612173
1999	1039354913.8352433
2000	973362197.3776999
2001	1135265966.3454964
2002	1166779218.406234
2003	1179902989.1873124
2004	1186582533.3106036
2005	1216732564.290031
2006	1350229962.84214
2007	1437434650.2658732
2008	1507510703.785189
2009	1602980562.086849
2010	1733883212.3528416
2011	1911070898.7330544
2012	2022224754.8368363
2013	2261824447.3390307
2014	2298164689.9950414
2015	2131058497.425063
2016	2068235542.718366
2017	2040609849.9532452
2018	1602529785.2495646
2019	1700936331.6464655
2020	1794819523.360329
2021	1851569749.4066286
2022	1922581364.6034744
2023	1986990957.351259