Year	constant 2015 US$
1960	1149.82450863797
1961	1123.5497817788885
1962	1186.2827186696336
1963	1235.843730056977
1964	1271.8054944507535
1965	1322.5948023795358
1966	1305.5040608638167
1967	1203.616851990317
1968	1250.4088802509434
1969	1382.6572947479767
1970	1517.6974097041477
1971	1597.5032798755585
1972	1621.2505628399847
1973	1646.9200466031123
1974	1785.8447271588398
1975	1742.5046693904237
1976	1853.7338833431957
1977	1899.777587162819
1978	1852.9092456190695
1979	1923.9793084969492
1980	1980.9699387418787
1981	1812.745723813392
1982	1759.3499008478489
1983	1638.8894633281118
1984	1582.8106775582473
1985	1612.1450107656851
1986	1574.4827061907927
1987	1562.688256902191
1988	1584.4669181062427
1989	1565.321915272298
1990	1603.7431606350458
1991	1474.6567351163123
1992	1441.0883493171866
1993	1376.5264585206464
1994	1292.85108797822
1995	1255.5823618176971
1996	1269.772491310582
1997	1299.1899062671093
1998	1333.7266947728733
1999	1344.6601761857605
2000	1386.941843134829
2001	1412.1615667949352
2002	1444.339910534353
2003	1423.9422779203917
2004	1546.7708530819682
2005	1598.1656809184724
2006	1651.1983989396551
2007	1709.745676134774
2008	1753.7233651472086
2009	1763.548862939811
2010	1841.491676205525
2011	1798.2877553330031
2012	1852.8929594787555
2013	1871.6476112234498
2014	1867.163134767798
2015	1845.312304288418
2016	1843.5363677576497
2017	1848.8163521800507
2018	1857.929359716247
2019	1862.8863197310773
2020	1705.4220864346034
2021	1744.1268488641083
2022	1739.6542934869433
2023	1728.1217581392818