Year	current US$
1963	316.4494917931154
1964	352.53458137023654
1965	392.3014873857875
1966	424.5018137216212
1967	404.78574085511156
1968	396.9764188253694
1969	439.2907630360679
1970	490.95403017113387
1971	515.6248850556427
1972	555.1670232788232
1973	666.4409806746776
1974	788.3811924889312
1975	900.9955554552571
1976	903.6945015080521
1977	958.4594296293247
1978	1029.0137642280818
1979	1194.535974695141
1980	1359.447262008072
1981	1449.6881023726955
1982	1388.3776752249835
1983	1330.319789554693
1984	1394.6865067222975
1985	1471.0337760882721
1986	1550.3800868127291
1987	1652.1201394032282
1988	1769.664083120923
1989	1811.0327981928974
1990	1198.3646708769757
1991	1058.7904224710724
1992	1075.8773106444494
1993	1105.0313057455112
1994	1173.969030239531
1995	1342.8956655294876
1996	1548.0395543808477
1997	1696.5149100824176
1998	1649.5494257329763
1999	1586.7603855528705
2000	1631.7549243328583
2001	1644.2310632169308
2002	1722.2065580125638
2003	1918.1941527969352
2004	2276.584302523625
2005	2691.1180363549342
2006	3190.676926881781
2007	3877.434767379284
2008	4698.312441378202
2009	5131.982600655027
2010	5774.502602119453
2011	6508.851429332394
2012	7480.279091022073
2013	8269.989317808955
2014	8674.108797168828
2015	8501.618892343888
2016	8345.221651292119
2017	8550.76733196787
2018	9346.24412653768
2019	10010.999546862964
2020	9885.7003105803
2021	10968.068210079486
2022	11818.716330235942
2023	12400.834450065817