Year 2010 = 100 1960 6.27328379877936 1961 6.48955502126873 1962 6.76188912520806 1963 6.89838080266322 1964 7.12475716663584 1965 7.46487701128167 1966 7.75672517107453 1967 7.94925605696319 1968 8.32266663584243 1969 8.77597429258369 1970 9.33470270020344 1971 10.2163501941927 1972 10.9387583687812 1973 11.9446902163862 1974 13.8610976511929 1975 17.2164934344368 1976 20.0674625485482 1977 23.2462021453671 1978 25.1670686147587 1979 28.5448113556501 1980 33.673150545589 1981 37.6723848714629 1982 40.911781949325 1983 42.7975300536342 1984 44.9205918254115 1985 47.6478980950619 1986 49.2810819308304 1987 51.325715738857 1988 53.4584797484742 1989 56.5378213427039 1990 61.0967264656926 1991 65.6556315886813 1992 68.6702422785278 1993 70.4272239689291 1994 71.9900129461809 1995 73.9319400776771 1996 76.0403181061587 1997 77.7140743480673 1998 79.1289069724431 1999 80.5159977806547 2000 81.4684668022933 2001 82.7168485296837 2002 83.9744775291289 2003 85.1303865359719 2004 86.3140373589791 2005 88.1172554096541 2006 90.2811170704642 2007 92.4357314592195 2008 95.6907712224893 2009 97.5679674496024 2010 100 2011 103.856112446828 2012 106.528574070649 2013 108.969853893102 2014 110.551137414463 2015 110.958017384871 2016 112.076937303495 2017 114.943591640466 2018 117.579064176068 2019 119.622711300166 2020 120.806362123174 2021 123.848714629184 2022 133.660070279268 2023 142.740891437026