Year	constant 2015 US$
1960	822.772644042969
1961	808.357604980469
1962	856.479614257813
1963	883.893920898438
1964	905.396179199219
1965	917.206237792969
1966	993.977294921875
1967	1017.92364501953
1968	1048.47375488281
1969	1047.49548339844
1970	542.553283691406
1971	544.758666992188
1972	563.391357421875
1973	577.396667480469
1974	568.989135742188
1975	570.834594726563
1976	568.866027832031
1977	549.071594238281
1978	541.126342773438
1979	536.328002929688
1980	533.931274414063
1981	512.957763671875
1982	495.910614013672
1983	478.337646484375
1984	484.986145019531
1985	475.544219970703
1986	485.468170166016
1987	492.411254882813
1988	512.328491210938
1989	517.510986328125
1990	539.56494140625
1991	536.752868652344
1992	526.420776367188
1993	516.178955078125
1994	504.301025390625
1995	505.900390625
1996	519.06298828125
1997	526.490417480469
1998	531.982299804688
1999	543.351318359375
2000	552.067810058594
2001	569.900146484375
2002	594.598815917969
2003	617.651306152344
2004	646.256591796875
2005	675.612365722656
2006	699.862731933594
2007	726.5927734375
2008	747.271667480469
2009	767.233459472656
2010	795.046020507813
2011	832.010070800781
2012	844.567993164063
2013	875.112976074219
2014	905.484252929688
2015	929.7998046875
2016	959.852294921875
2017	990.952087402344
2018	1012.49896240234
2019	1039.51049804688
2020	1028.91186523438
2021	1041.75061035156
2022	1057.73901367188
2023	1080.78552246094