Year 2015 = 100 1995 34.6681179578 1996 37.9402331884 1997 35.6975530572 1998 39.6301961183 1999 37.0317598412 2000 40.7286525868 2001 41.3285126536 2002 44.5267304238 2003 55.3174405295 2004 64.6970926186 2005 68.2474052732 2006 75.712647328 2007 89.7346721623 2008 99.7235135826 2009 80.5383046711 2010 90.1315403396 2011 108.6005699037 2012 104.5971718829 2013 112.5493391123 2014 114.9709474966 2015 100 2016 102.7305807488 2017 113.1990984581 2018 122.8432341491 2019 118.3311517526 2020 109.2261053539 2021 135.6812883345