Year 2010 = 100 1988 52.594061990904 1989 52.5537260280306 1990 52.872380134732 1991 53.8243088585494 1992 50.4643231511772 1993 50.3312144736943 1994 61.9963749367433 1995 70.3297848664319 1996 75.1160502210147 1997 74.8433791119892 1998 77.8644990643947 1999 76.9286427797623 2000 76.4073268628188 2001 80.3705840145192 2002 84.4154930568257 2003 83.2786475030098 2004 80.6971915769417 2005 85.8601034290779 2006 87.1853764227528 2007 88.4164356964982 2008 96.5250965250965 2009 98.9032354109295 2010 100 2011 102.955643952294 2012 108.43610514765 2013 107.778183874308 2014 108.73074314203 2015 110.308089786071 2016 108.322933479343 2017 110.229262671784 2018 110.559450578237 2019 108.726079750895 2020 109.202396681528 2021 113.489249057224 2022 124.408590014187 2023 126.969916905327