Year	constant 2015 US$
1960	935.914777704018
1961	903.173553551535
1962	901.3156545286505
1963	969.2496642987142
1964	973.8619121253226
1965	995.9413372258011
1966	999.3066317026672
1967	1016.4633220005112
1968	1018.8992655902332
1969	1041.2288555761654
1970	1079.055247198993
1971	1124.1024379828311
1972	1169.9305540861174
1973	1183.305017974094
1974	1294.1449437523434
1975	1425.2114346230082
1976	1466.8560372732468
1977	1515.4905539755387
1978	1500.1008759960796
1979	1476.257939058512
1980	1492.567905743677
1981	1482.5879315514312
1982	1483.246035134407
1983	1570.9982203819213
1984	1586.1534731380964
1985	1623.7472675879703
1986	1542.3101509465826
1987	1508.1053497850069
1988	1510.805985735086
1989	1496.667675946195
1990	1552.476255599829
1991	1603.975822680585
1992	1661.9005964308872
1993	1681.9227824110808
1994	1626.2398570464686
1995	1610.0043889871029
1996	1661.647203504988
1997	1678.8629531787328
1998	1730.8289247508405
1999	1714.8675100450412
2000	1756.1778046499633
2001	1795.573829943461
2002	1860.278761356282
2003	1890.0014644943924
2004	1957.9259252427705
2005	2035.5085640671068
2006	2096.8844744293087
2007	2247.018670537163
2008	2278.6831123508928
2009	2380.422085069864
2010	2457.8936554036304
2011	2476.1573366479884
2012	2544.8155290064874
2013	2506.87078898454
2014	2511.866811076604
2015	2444.3280863453665
2016	2481.626107738646
2017	2474.719246941189
2018	2428.653735789105
2019	2409.41136619392
2020	2337.5838246722014
2021	2436.2628721761507
2022	2495.3727301187673
2023	2515.715076605299