Year	constant 2015 US$
1960	657.218941472548
1961	667.5197085847637
1962	634.1859329842345
1963	652.9089598306464
1964	684.0068790135432
1965	706.9956758546648
1966	718.4122418357761
1967	712.0903609726249
1968	724.8012366645404
1969	730.5617468339879
1970	730.5233476388383
1971	704.4581030230435
1972	733.5709843388016
1973	744.0288107828587
1974	751.663718550677
1975	698.4851507213266
1976	688.0399096755158
1977	704.7878624842468
1978	695.8809953906157
1979	722.3994963304586
1980	750.9600068529684
1981	803.1650840217981
1982	798.2682394938149
1983	742.119327149035
1984	778.2914483198674
1985	812.9483202652788
1986	806.5404338409782
1987	771.1611553878322
1988	773.8469744022815
1989	729.4087839974701
1990	771.075863942672
1991	779.4233089961311
1992	778.2552681873823
1993	787.8191186717587
1994	774.2629218490482
1995	804.350332949706
1996	817.8497351546661
1997	839.9516966397416
1998	847.0744874479847
1999	865.4525624420735
2000	888.7301846043002
2001	908.34770296719
2002	922.4176387127492
2003	925.8492611101251
2004	938.0381780824916
2005	924.2695240579259
2006	931.7691408523233
2007	959.5549934382352
2008	977.3031631524519
2009	970.9659689055599
2010	962.8161094974129
2011	962.7445896711912
2012	980.074613183631
2013	1020.5282340207664
2014	1054.1087665788573
2015	1041.6525231291778
2016	1045.150936545057
2017	1072.3620319696477
2018	1111.2272474415279
2019	1153.7262099468703
2020	1164.708966550311
2021	1214.0775898637096
2022	1255.607292553854
2023	1300.3200015634366