Year	constant 2015 US$
1969	10988.362152235053
1970	11642.477835012774
1971	11867.83306128132
1972	12053.775984117194
1973	12506.163090475655
1974	12805.055512308232
1975	13072.93434460779
1976	13687.131901569077
1977	14167.062276731182
1978	14729.15618769805
1979	14814.493761973452
1980	14685.52643649161
1981	14237.171128864296
1982	13967.12658452879
1983	14089.45414531698
1984	14118.546458394312
1985	14248.130785634292
1986	14504.787168619328
1987	14712.294390858919
1988	14844.307395336475
1989	15221.139016407578
1990	15727.320791818345
1991	16026.408482678855
1992	16019.50890766787
1993	16037.261186870977
1994	16251.872686215453
1995	16602.701029764587
1996	17340.40706380838
1997	17971.823866901676
1998	18864.57111661633
1999	19855.699557241787
2000	20436.47171476236
2001	20697.546659563464
2002	20805.20409540843
2003	20680.265270037242
2004	20765.137781482346
2005	20905.206733418567
2006	20839.132300951223
2007	21183.667460874723
2008	21289.186979628743
2009	20780.660409877742
2010	20696.066392272198
2011	20614.082399278603
2012	20303.581593720482
2013	20048.639165710272
2014	20051.49697798451
2015	20357.492688278442
2016	20476.161712102014
2017	20789.248713837565
2018	21115.534820813016
2019	21162.653666876293
2020	19706.721206463833
2021	20454.50167665903
2022	21588.138137397276
2023	21460.836387158666