Year	constant 2015 US$
1960	1142.114230207578
1961	1183.8192049668817
1962	1231.3743357734916
1963	1295.4363703429647
1964	1397.3954740432428
1965	1460.468138962876
1966	1546.326394459354
1967	1620.5523461955256
1968	1728.726027516809
1969	1878.5039764664755
1970	1902.286957583492
1971	1950.8685907487259
1972	2042.0066008560686
1973	2150.1190286378433
1974	2127.078099638284
1975	2162.8804222066556
1976	2216.0155162682795
1977	2295.036833211996
1978	2390.8252176061014
1979	2493.0721579535893
1980	2549.2286297929045
1981	2628.2940997560004
1982	2693.2160129360213
1983	2767.973370892345
1984	2894.980568497647
1985	3014.452020885889
1986	3114.0024525200784
1987	3256.0847173977772
1988	3447.7542815067004
1989	3569.82426574632
1990	3694.8388608747214
1991	3818.847186542951
1992	3928.0104925950827
1993	4040.757797885106
1994	4199.297758785938
1995	4383.993456262461
1996	4575.826654925872
1997	4706.888553436407
1998	4676.537387384251
1999	4802.75011756146
2000	5014.575651720198
2001	5133.9336053833895
2002	5313.814319635683
2003	5532.540976256037
2004	5812.782043847699
2005	6109.896093668517
2006	6456.114809590979
2007	6887.673377509272
2008	7137.71938598154
2009	7269.637809661599
2010	7769.615971153386
2011	8135.86488558548
2012	8489.722390142591
2013	8865.87423867322
2014	9218.642380988318
2015	9586.056624819857
2016	9962.277146679151
2017	10391.88363776414
2018	10820.189590204413
2019	11189.085866748568
2020	11125.265931395308
2021	11786.07279905289
2022	12100.725259192446
2023	12567.738394816886