Year 2010 = 100 1960 2.52748668877309 1961 2.57033297015633 1962 2.66369298910469 1963 2.74216968261487 1964 3.10839360492657 1965 3.40290639507342 1966 3.77048318332544 1967 4.26299133112269 1968 4.40100194220749 1969 4.37529407863572 1970 4.59809549976314 1971 4.73971402179062 1972 5.04505101847466 1973 5.89972382756987 1974 7.58697015632402 1975 8.02310184746566 1976 7.41062245381335 1977 8.02625769777357 1978 8.22876409284699 1979 8.74517527238275 1980 9.7374092846992 1981 11.0142316437707 1982 11.8833363334912 1983 13.2936603505448 1984 14.3995476077688 1985 15.1996475603979 1986 16.5265343439129 1987 17.9810554239697 1988 19.6683027001421 1989 21.0596935101847 1990 22.9490075793463 1991 26.1320914258645 1992 29.2124945523449 1993 31.0607370914259 1994 34.2438214116532 1995 37.7452131691141 1996 41.1336584557082 1997 44.0805774514448 1998 49.9128076740881 1999 52.2436461392705 2000 54.3383216485078 2001 56.3919261013738 2002 58.815172903837 2003 61.0535954523922 2004 63.3536380862151 2005 66.0438512553292 2006 69.8720985315016 2007 74.3249644718143 2008 80.5305542396968 2009 89.2941733775462 2010 100 2011 108.911793364834 2012 119.235538897084 2013 131.18041028234 2014 139.924446113916 2015 146.790501522574 2016 154.054013105394 2017 159.18119775209 2018 165.451068899504 2019 171.621576003377 2020 182.988822584425 2021 192.378724699015 2022 205.266241146235 2023 216.862025027426