Year	constant 2015 US$
1965	2152.2836102720075
1966	2272.7552559120522
1967	2316.678369680414
1968	2270.9042775585544
1969	2247.7823990901857
1970	2324.2966870284863
1971	2338.474319324891
1972	2382.469026141034
1973	2490.323865197964
1974	2478.516581210913
1975	2436.5635621202305
1976	2648.112144321107
1977	2918.6225096285348
1978	2892.9353297318607
1979	2550.226822125258
1980	2227.28355799023
1981	1968.007458436551
1982	1767.3551623587616
1983	1755.4810120999227
1984	1770.570281346887
1985	1772.3975255478445
1986	1726.8508730263407
1987	1701.8799845201518
1988	1690.6024579627026
1989	1690.004864511822
1990	2107.5753730185825
1991	2083.8547587946773
1992	2202.8522579251353
1993	2298.804332034752
1994	2413.6957475125314
1995	2539.526132006078
1996	2558.246113076589
1997	2572.1202594731476
1998	2534.6279625563143
1999	2582.5042657260847
2000	2625.3793887875454
2001	2647.1928319689605
2002	2656.838325369483
2003	2670.7795258638375
2004	2709.0609335932295
2005	2817.615509616117
2006	2943.8632774846
2007	3147.817020547751
2008	3123.1890205864033
2009	2907.7436323794464
2010	2923.5508769362355
2011	2958.203312754394
2012	3041.3947703909207
2013	3134.86995953879
2014	3118.414277350159
2015	3200.052767857057
2016	3252.9364344599026
2017	3298.5368405198687
2018	3337.5912377843097
2019	3391.9231453416533
2020	3110.0437808911383
2021	3395.513634253901
2022	3468.86044708682
2023	3795.264262091332