Year 2010 = 100 1979 31.6546093069745 1980 37.269078089523 1981 41.1735220702391 1982 43.6139685328934 1983 44.6133980482366 1984 45.8246092911264 1985 47.0250061480985 1986 47.0218622754537 1987 47.4746887567978 1988 47.5850792929699 1989 50.0452112165232 1990 52.0525166699973 1991 54.3031318646206 1992 55.8553579590558 1993 56.8578842548308 1994 57.6779282278466 1995 59.3833493544166 1996 60.6224267943043 1997 66.0209650765089 1998 68.2962843235434 1999 70.5931131593749 2000 72.1100570323037 2001 73.7710743263593 2002 75.2768091043675 2003 76.9595744793289 2004 78.7408458678049 2005 81.4005691516921 2006 88.3094308657463 2007 92.2664758661654 2008 97.156872888509 2009 99.1563002115723 2010 100 2011 105.835165195709 2012 106.698874634995 2013 107.880015748548 2014 108.147412972867 2015 105.657994028676 2016 104.932084385971 2017 105.661274976213 2018 104.565438498638 2019 104.220830481643 2020 103.004318030447 2021 104.235929197152 2022 107.017126546147 2023 110.823845926704