Year	constant 2015 US$
1960	8388.66356879181
1961	8822.553142254781
1962	9068.918459605795
1963	9443.928160850975
1964	9753.94397523142
1965	9905.384899911041
1966	9954.064718343103
1967	10480.455787719717
1968	11293.484767266615
1969	11886.005703253024
1970	12100.731585982534
1971	12374.988115672017
1972	12983.696054357944
1973	13380.377069683253
1974	13721.202875183506
1975	14260.781324864585
1976	14243.112391334813
1977	15205.336345343814
1978	16068.496525842536
1979	16343.093143302254
1980	16653.591150516175
1981	17007.030016317323
1982	17231.696760756913
1983	17068.166553650455
1984	17701.34092440153
1985	18218.35016851334
1986	18132.07467156308
1987	18975.62259536467
1988	20051.232373047824
1989	21301.234367836474
1990	23085.21413979996
1991	23395.7792537096
1992	24013.569915690405
1993	24537.20767094765
1994	25847.438425937602
1995	28192.77548939079
1996	30034.697967716806
1997	33012.33362841725
1998	35533.6518883702
1999	38835.040898203595
2000	41924.293249624236
2001	43451.37305255394
2002	45245.80851289727
2003	45856.349629856566
2004	48081.968105710315
2005	49746.05645807237
2006	50838.07676075784
2007	52012.045412525535
2008	48677.2171989662
2009	45729.90322714793
2010	46246.84508644286
2011	46635.34458522722
2012	46377.92168614894
2013	46676.25849334868
2014	50427.329673603075
2015	62179.2642662951
2016	62566.797836981605
2017	67652.0199199883
2018	72478.83823983732
2019	75281.92153221689
2020	79441.7086843532
2021	90589.1967310069
2022	97316.87750857291
2023	91783.43701325983