Year	constant 2015 US$
1960	27861.168894802948
1961	28665.756752807036
1962	28701.496428869024
1963	29381.70158296838
1964	31339.867716489232
1965	30757.622618115092
1966	30874.710795449046
1967	30840.024921975222
1968	32048.535484316577
1969	35072.3830257911
1970	35513.80098544271
1971	36114.97654844337
1972	38033.74016253311
1973	40742.79185001312
1974	41908.975272168944
1975	38729.56045818639
1976	39515.03534862627
1977	40065.69141695828
1978	41623.60103965313
1979	42500.25489972905
1980	42705.33854184721
1981	42345.04515315471
1982	42788.948561136356
1983	44056.251468465016
1984	46733.923552951645
1985	47945.84836994437
1986	52496.666200610205
1987	54218.27539413243
1988	58381.75425586693
1989	63481.58473553307
1990	66027.07580078173
1991	70779.9729147771
1992	71116.94008922094
1993	73116.19466294063
1994	74883.14185378884
1995	74896.09657880463
1996	74916.50676722715
1997	77993.05853358281
1998	82170.23992125779
1999	87695.33957586001
2000	92527.71180696423
2001	94243.70732339172
2002	96269.57938512157
2003	97597.99691765533
2004	100292.56847916194
2005	101222.0456644007
2006	105614.17986395175
2007	112417.87845800121
2008	110094.79233874493
2009	104574.34988768162
2010	106544.05724172312
2011	105290.24904882653
2012	104487.74423870388
2013	105338.95605928342
2014	105583.93701412271
2015	105462.01258442263
2016	108351.45215893305
2017	107142.12755644266
2018	106376.78356576333
2019	107350.62668727605
2020	104616.0346780102
2021	110425.88843286013
2022	109714.92431612939
2023	105996.66149666296