Year 2010 = 100 1991 5.11455176106246 1992 16.6737160138813 1993 30.8471668337309 1994 37.807846284174 1995 40.75429436957 1996 45.9404730556661 1997 61.1836480648907 1998 73.8137021846446 1999 74.1011605344394 2000 74.1382245539502 2001 76.442135324008 2002 82.3820911976625 2003 82.7808226707298 2004 84.6682412961938 2005 86.6719846178477 2006 88.7267419018594 2007 91.3288155181303 2008 94.3617275795417 2009 96.500834430802 2010 100 2011 103.429123247222 2012 105.530381748189 2013 107.575160377427 2014 109.324187306059 2015 111.397164149808 2016 112.817958876089 2017 115.059269640307 2018 117.392740239274 2019 119.049258384382 2020 120.978911881374 2021 123.448662047404 2022 131.750834819418