Year	constant 2015 US$
1960	923.9669006005755
1961	891.6436505326025
1962	889.8094694269096
1963	956.8762344229693
1964	961.4296023477795
1965	983.2271617657196
1966	986.5494949326627
1967	1003.4871631228708
1968	1005.8920094852226
1969	1027.9365401866155
1970	1065.280040536495
1971	1109.752159409768
1972	1154.9952343189962
1973	1168.1989599574395
1974	1277.623904539856
1975	1407.017202121337
1976	1448.1301702613187
1977	1496.1438192923363
1978	1480.9506057619278
1979	1457.4120474783804
1980	1473.513801319644
1981	1463.6612313611865
1982	1464.3109336015204
1983	1550.942875478727
1984	1565.9046564555101
1985	1603.0185289652254
1986	1522.6210376021957
1987	1488.852894532106
1988	1491.5190541952402
1989	1477.5612339037177
1990	1546.0218508247062
1991	1597.5490917819668
1992	1655.5393273717314
1993	1675.8398689629503
1994	1620.7243589572315
1995	1603.3566002203393
1996	1656.9954172835576
1997	1672.2594832699906
1998	1722.7645098904445
1999	1705.4500871523387
2000	1750.3798126433646
2001	1792.2050799511137
2002	1860.6066483264563
2003	1887.900847577597
2004	1954.6582995158913
2005	2030.6186338004225
2006	2095.138112277448
2007	2245.7803658011385
2008	2278.69832186417
2009	2380.633025717713
2010	2458.883802033645
2011	2472.56033976826
2012	2539.7043773827386
2013	2502.704934570764
2014	2507.977021957382
2015	2439.217196829224
2016	2474.3773494473717
2017	2468.4881082217867
2018	2422.316021367555
2019	2402.2332338367573
2020	2335.0453812606247
2021	2433.357770811725
2022	2487.6723425631844
2023	2509.9213907674953