Year	constant 2015 US$
1960	1614.6641135794796
1961	1637.078995821512
1962	1680.5118254061856
1963	1738.3584389287541
1964	1775.2748183031865
1965	1776.1842705194276
1966	1786.925836164372
1967	1824.316390942135
1968	1855.876554445603
1969	1909.1330706682566
1970	1969.0654233203552
1971	2031.9937849221901
1972	2114.023933749412
1973	2182.0184268068506
1974	2211.575774127526
1975	2225.6813467491093
1976	2322.3172519441996
1977	2452.2150877568806
1978	2516.331148870898
1979	2561.651730553837
1980	2583.0849169990706
1981	2551.1072264678915
1982	2409.2383089523664
1983	2311.781209050943
1984	2274.6234010163016
1985	2205.044629111302
1986	2162.7532181396186
1987	2185.678579696177
1988	2213.18324093168
1989	2217.622122880195
1990	2201.649978701762
1991	2237.1371661601856
1992	2281.840592872257
1993	2320.036344767181
1994	2372.608742707863
1995	2436.544971361793
1996	2445.3029380771336
1997	2483.8483743351426
1998	2536.729633841285
1999	2565.539259155916
2000	2591.624975748269
2001	2625.746765546012
2002	2652.5053035757624
2003	2695.4583309894742
2004	2740.392141270281
2005	2798.9011569062195
2006	2871.207539439976
2007	2966.76334957219
2008	3036.7056644036375
2009	2971.315965526202
2010	3017.79643063333
2011	3071.259819619412
2012	3111.928505450841
2013	3170.955638535376
2014	3258.06340630603
2015	3368.1663514802976
2016	3447.671295705513
2017	3503.0446182335613
2018	3569.7404637153227
2019	3680.3284054569967
2020	3565.5312558516553
2021	3810.79206775445
2022	3915.6875132452387
2023	4001.4776820038223