Year 2015 = 100 1995 28.3708894096 1996 35.062924929 1997 41.8903149641 1998 35.6320244317 1999 32.0937976934 2000 35.4447065302 2001 33.0234494207 2002 33.6825308686 2003 40.3565977367 2004 49.8681837062 2005 46.6213403399 2006 61.8218398814 2007 91.6539475257 2008 128.7359511366 2009 116.0677119199 2010 121.8190647806 2011 137.2901345731 2012 131.3861523401 2013 142.7917302437 2014 131.5734702061 2015 100 2016 109.1438878652 2017 122.4018315459 2018 127.431663631 2019 137.7896489181 2020 136.8946857093 2021 115.0894962907