Year	constant 2015 US$
1960	724.607708548291
1961	715.2645418879746
1962	739.0430085494171
1963	755.7605420614253
1964	772.7242568251844
1965	786.6028780697412
1966	779.4649126555036
1967	741.9958671707245
1968	751.7295788707944
1969	797.7776419211503
1970	841.5409643008138
1971	874.0908002535155
1972	869.1227523434338
1973	882.4288321949339
1974	922.7951148686103
1975	895.1373669550973
1976	920.394293406478
1977	933.2564008517536
1978	919.4488652814409
1979	925.9347708876273
1980	933.1781033726315
1981	903.6968923301683
1982	877.8924987022765
1983	846.3250671073831
1984	837.1813908603507
1985	848.3972465672177
1986	850.6139418133876
1987	858.5487469081775
1988	875.3894448681756
1989	871.7573597355768
1990	882.1916667042937
1991	876.2271182469385
1992	872.0849858772756
1993	857.5111799518246
1994	843.9432254870583
1995	852.3003138695273
1996	871.3484063346065
1997	882.1229797199152
1998	890.6156783493059
1999	894.6596101863565
2000	907.3897823387357
2001	921.0549385517517
2002	947.5008537978874
2003	970.0098946315932
2004	1010.5306630094976
2005	1048.1011764332877
2006	1085.8561525723649
2007	1123.4528187421888
2008	1153.130827642239
2009	1184.084786654977
2010	1228.0613164333358
2011	1249.636676740606
2012	1263.3402274650718
2013	1301.3588918034845
2014	1344.1041116456247
2015	1360.9621766675486
2016	1375.277519795263
2017	1398.645323318664
2018	1427.4066319656336
2019	1450.6940615111569
2020	1407.1737256745323
2021	1437.0075486243682
2022	1466.352533771992
2023	1481.7454429537154