Year	constant 2015 US$
1960	1169.1646244040494
1961	1144.108670105946
1962	1201.3001574881748
1963	1234.7735975088985
1964	1257.127985959291
1965	1285.221264311532
1966	1310.4252186101667
1967	1342.844488195752
1968	1359.4005334867504
1969	1388.2093456486978
1970	1364.2758627318713
1971	1398.1996034882593
1972	1397.0941624822983
1973	1419.8159515333095
1974	1454.0376097202454
1975	1432.0505538190407
1976	1423.7819894331878
1977	1399.667167674479
1978	1379.341321833576
1979	1376.3131490219182
1980	1409.6224298480702
1981	1423.2978193969593
1982	1384.5010393239952
1983	1344.3129968273417
1984	1349.895945266072
1985	1309.442013224572
1986	1299.762743049464
1987	1311.1344071658382
1988	1328.3718074054377
1989	1326.4725103582143
1990	1291.2972705059287
1991	1255.0538689975149
1992	1194.048542219342
1993	1156.2456799517674
1994	1148.1226926621562
1995	1166.649864148145
1996	1198.0239942051523
1997	1212.7206199585157
1998	1203.7740396340546
1999	1204.9043019011747
2000	1212.3771230074246
2001	1223.2516044536383
2002	1237.9755587419877
2003	1242.1453528799125
2004	1277.3893408870679
2005	1320.9193947988192
2006	1370.7590592020276
2007	1422.782458750033
2008	1445.007422127048
2009	1418.6343268354158
2010	1452.814892430899
2011	1471.6341542515747
2012	1457.5367362462462
2013	1478.3849189396378
2014	1495.764361906562
2015	1498.805083588019
2016	1490.8596876000088
2017	1490.79764777701
2018	1490.70105690211
2019	1483.4156593688792
2020	1404.5545376263603
2021	1430.4247712316828
2022	1444.5229616205477
2023	1445.8011283240082