Year	constant 2015 US$
1960	3344.817299385329
1961	3452.854293411477
1962	3503.2556209271193
1963	3478.8401884480054
1964	3630.855767503028
1965	3734.6514954718655
1966	3816.9294245283245
1967	3880.5729438642393
1968	4051.8069359212304
1969	4221.395454549103
1970	4386.83752793547
1971	4575.2313891584445
1972	4785.647339551033
1973	5045.182713375725
1974	5233.850181106156
1975	5295.553203630517
1976	5455.484552950962
1977	5590.237115805156
1978	5709.495375065281
1979	5992.661930912794
1980	6248.9732626111
1981	6190.501142384456
1982	6051.086790156465
1983	5790.210382673192
1984	5892.626126999847
1985	5955.6318063070985
1986	6042.219046365876
1987	6121.952541064395
1988	6042.67157762309
1989	6031.5850844441575
1990	5897.138103328742
1991	5959.625760915162
1992	6003.91726084005
1993	6158.468912488075
1994	6369.37300427897
1995	6314.666479346971
1996	6458.485874892845
1997	6698.7604925078385
1998	6791.8832300042595
1999	6735.487179363307
2000	6877.336672006387
2001	6811.718781741368
2002	6750.80148303403
2003	6826.844752526724
2004	7107.343119749218
2005	7296.0127181901635
2006	7579.25930280722
2007	7880.416489292916
2008	8076.417321367801
2009	7806.321018012581
2010	8218.506910326385
2011	8484.145266285752
2012	8606.095473930383
2013	8749.159661661723
2014	8773.772441579742
2015	8719.625753460932
2016	8603.518857152878
2017	8681.356727665336
2018	8737.416303117072
2019	8722.923900711363
2020	8077.3348622258845
2021	8583.828593560807
2022	8867.546848967648
2023	8992.345218539782