Year	current US$
1960	933.7853967306789
1961	1030.4471698245266
1962	1129.796048059494
1963	1232.7153461622759
1964	1353.9494931029571
1965	1466.9649478605002
1966	1573.9634986904182
1967	1660.4647405083392
1968	1772.9471156277555
1969	1967.087496240835
1970	2215.089404814968
1971	2496.4999112668606
1972	2995.4297242829166
1973	3864.1628121722893
1974	4357.872597894996
1975	5027.825885204231
1976	5224.273464557068
1977	5918.479236237623
1978	7217.139167114684
1979	8705.658826127079
1980	9707.000906836842
1981	8402.621671821113
1982	8111.796062173298
1983	7897.2843332608745
1984	7562.5826882128495
1985	7754.821423018777
1986	10856.850541969565
1987	13392.079279717975
1988	14680.488726703035
1989	14933.043400446468
1990	18709.48897719218
1991	19313.32480883292
1992	21181.90633023468
1993	19312.013413125653
1994	20337.15100651445
1995	23425.262792401634
1996	23649.871043108855
1997	21578.28474337269
1998	22146.997061190657
1999	21983.635353470385
2000	20005.43676498638
2001	20251.30494353779
2002	22002.83166690366
2003	26945.25764092003
2004	30728.9958326427
2005	31669.98740244193
2006	33508.191451043414
2007	38396.27135323489
2008	42016.495742112085
2009	38273.0682895839
2010	37303.41066947024
2011	40329.42363008339
2012	37290.79976494165
2013	38806.36920617447
2014	39594.59529224232
2015	34118.36594186635
2016	34889.671720453574
2017	36878.937056665236
2018	39754.43546593105
2019	38904.60705621939
2020	37915.38336339079
2021	42527.52421053104
2022	40835.65476186198
2023	44368.57554488916