Year	constant 2015 US$
1960	329.809808991907
1961	335.71278883346207
1962	339.0432102360718
1963	348.6194692632327
1964	366.8631059853959
1965	356.48460330668684
1966	352.826213333311
1967	366.01716400071365
1968	374.17456522145517
1969	386.74179524083996
1970	400.32761671950857
1971	394.19673010447707
1972	378.8958399258856
1973	384.5641905218387
1974	385.035488074262
1975	402.1415044770327
1976	403.35015419108595
1977	418.784960366654
1978	434.3994757252273
1979	413.76586668332845
1980	430.5460679809597
1981	447.7923440135208
1982	454.3535672273513
1983	473.2270835851402
1984	481.7357238372305
1985	496.2415723005119
1986	508.2385141850357
1987	517.9088852258863
1988	548.5753312848678
1989	565.0815984369306
1990	582.4465565064684
1991	581.8916526029816
1992	602.30182871854
1993	614.316279192483
1994	636.5868123433214
1995	665.7511392304966
1996	695.9065392343437
1997	707.1411696935353
1998	730.8520869374984
1999	770.3690999867825
2000	786.6181245242342
2001	805.2434967660919
2002	819.3518965665046
2003	862.0597714926017
2004	911.019456798286
2005	964.1140612219916
2006	1021.2461345564847
2007	1077.9350826188074
2008	1097.430586797538
2009	1156.7004870480753
2010	1223.8530345025501
2011	1267.3319526705186
2012	1316.921779784413
2013	1377.5266075433601
2014	1453.1058855389826
2015	1539.5941449214972
2016	1639.439348711633
2017	1725.063226581212
2018	1812.8108142672831
2019	1862.6340144096855
2020	1757.5125225482213
2021	1892.0596940887945
2022	1993.2170389083738
2023	2098.8459646421184