Year	constant 2015 US$
1960	723.8786271011639
1961	705.9405001067298
1962	733.5398658487385
1963	706.2744562010192
1964	725.8566688427786
1965	752.6350838999286
1966	780.2507452485924
1967	789.698863329953
1968	686.2788871697985
1969	679.7290894518404
1970	591.7519405660155
1971	827.0384652415142
1972	903.4756059328889
1973	815.1935744685602
1974	905.6297903691388
1975	858.7541683611487
1976	788.4507932211551
1977	827.6094317885514
1978	914.8080655731253
1979	919.0143629817607
1980	908.9448794442169
1981	843.721521997767
1982	839.1038641060868
1983	782.2114812322405
1984	813.4739755693819
1985	730.752363373197
1986	839.1235168967842
1987	880.4127042771981
1988	922.3067086530341
1989	943.8129600262728
1990	909.6073041130564
1991	902.0223848173262
1992	866.1139072179024
1993	828.0213474526427
1994	819.1761490062676
1995	907.9960834444987
1996	906.7176190163356
1997	916.5214056065125
1998	933.0453447792374
1999	944.4597966281683
2000	913.8085357315477
2001	923.317314986021
2002	903.2819013889899
2003	896.185992075798
2004	890.8393660270326
2005	920.6296646990897
2006	982.3402187947224
2007	1004.1360798269449
2008	959.8602235458518
2009	974.6218760217903
2010	994.635022061567
2011	1016.440042116184
2012	1034.272322607631
2013	1072.2421511448904
2014	1092.0373496383747
2015	1130.2242545964139
2016	1155.4021810839677
2017	1186.0499405069668
2018	1217.152577440524
2019	1252.9845674073858
2020	1209.4329883614703
2021	1259.5703553814071
2022	1274.3703067073486
2023	1312.0291161240598