Year	constant 2015 US$
1960	795.148642386944
1961	792.196345145614
1962	804.5925124030617
1963	822.6089306853612
1964	865.7194379590701
1965	896.1786669461848
1966	917.0453798753056
1967	923.6621180840659
1968	956.1550512162067
1969	1008.4425082442737
1970	1061.593385787524
1971	1099.8590868311755
1972	1140.2739352129913
1973	1190.340415840242
1974	1233.4780325960544
1975	1258.3803287881124
1976	1309.0595841352501
1977	1341.0279719485902
1978	1362.1362930124649
1979	1395.358764250734
1980	1431.568663892555
1981	1428.9963512116876
1982	1438.4097596276386
1983	1431.045573099675
1984	1466.8868424217674
1985	1500.6141718726847
1986	1523.7942554722915
1987	1561.607654668219
1988	1592.026503428666
1989	1607.8836293696395
1990	1624.624594537307
1991	1638.390284592864
1992	1676.3096511866374
1993	1728.6914396603117
1994	1785.2231935323487
1995	1834.7727025137738
1996	1915.821054229017
1997	1990.137443271934
1998	2022.3979885016959
1999	2062.8759371416913
2000	2143.168660117487
2001	2186.9778187543106
2002	2256.0075163837723
2003	2353.224077920953
2004	2496.8827426096063
2005	2641.430712928894
2006	2818.4385733908202
2007	3025.681459286781
2008	3161.1781358797216
2009	3242.221544383493
2010	3458.8951971542783
2011	3628.8344962535557
2012	3774.340761769626
2013	3930.970546407769
2014	4077.796727534669
2015	4214.457580222717
2016	4357.6526088766095
2017	4530.879533947331
2018	4696.993503171971
2019	4829.22127974888
2020	4716.398944265298
2021	5012.543019555537
2022	5157.9836596869945
2023	5337.286717668