Year 2010 = 100 1960 1.48766903447727 1961 1.50454580122017 1962 1.52716785026373 1963 1.56187893079886 1964 1.61179107074419 1965 1.6153818721815 1966 1.61286831117347 1967 1.64817785861561 1968 1.74477041721725 1969 1.87487712254117 1970 1.98487533983075 1971 2.03777981430398 1972 2.1671683593457 1973 2.37579392271312 1974 2.66808515951288 1975 2.8448722834955 1976 2.88269539194328 1977 2.91800493938423 1978 3.27229734763165 1979 3.62347772796402 1980 4.57085083987479 1981 5.39218682142123 1982 5.97593144135499 1983 6.81043369482823 1984 7.94357093430771 1985 8.06122952799179 1986 8.70422237161244 1987 9.37594162670882 1988 10.6877810842647 1989 11.9240940183063 1990 14.4872080825492 1991 16.2525657613351 1992 18.1026663539849 1993 20.229138963742 1994 21.9382407533809 1995 23.6219675462129 1996 27.3863243838163 1997 30.0082078982108 1998 32.8182494077947 1999 34.3579850630866 2000 36.4800290177408 2001 41.6450378017238 2002 45.6225685511801 2003 48.5034685424131 2004 52.1780553441436 2005 58.2514171977792 2006 64.088316153921 2007 74.241258652681 2008 90.9934241427903 2009 94.1463128229218 2010 100 2011 106.716768435885 2012 114.766322217003 2013 122.694896603917 2014 126.595370167296 2015 131.365949371736 2016 136.566580789574 2017 147.08785819643 2018 150.228239475663 2019 155.528883036152 2020 165.100045087827 2021 176.681451206782 2022 264.529415973267 2023 308.285687553672