Year current US$ 1960 133.0750649082646 1961 130.0133758750712 1962 129.46823533006113 1963 138.96892238400366 1964 154.31167164647795 1965 165.98881097894642 1966 164.84722552250625 1967 167.69991475290868 1968 172.80997386954448 1969 187.68499486386096 1970 200.31757364041732 1971 208.51479237341786 1972 228.42301433195016 1973 276.35374402211636 1974 339.54282248304236 1975 375.935850326879 1976 393.6814283009178 1977 432.39162873706823 1978 458.6607554298638 1979 540.4403414549461 1980 638.2671346793276 1981 706.3787900526951 1982 672.0204757963585 1983 659.2778860959443 1984 665.6460651276449 1985 672.8265427232599 1986 659.314687141333 1987 660.1740000330498 1988 687.8612259019923 1989 697.8538776705664 1990 781.0668135907106 1991 743.3936015963449 1992 771.126837144282 1993 837.2376464219133 1994 921.1346318503571 1995 1032.705483591425 1996 1127.264269443151 1997 1176.5618265389514 1998 1151.7605687946436 1999 1091.0523642610356 2000 1168.0364495095548 2001 1151.674674687129 2002 1156.047388367934 2003 1274.8202821423195 2004 1473.773036872647 2005 1715.4094307570388 2006 1990.9260829052841 2007 2410.9113065864976 2008 2824.1013027068825 2009 2791.2423914602305 2010 3347.240090592152 2011 3887.398762086766 2012 4075.454564634742 2013 4263.499970532871 2014 4401.688003386892 2015 4214.457580222719 2016 4202.308138054601 2017 4528.285186462196 2018 4754.575846548631 2019 4810.520841089539 2020 4608.954876203957 2021 5370.444441219791 2022 5582.45257367252 2023 5676.389610143681