Year 2015 = 100 1995 42.4237851919 1996 45.5451572102 1997 48.8146951025 1998 50.9384483842 1999 51.6195001269 2000 55.110571583 2001 54.5688942554 2002 57.7893960011 2003 63.3967803764 2004 74.7032559287 2005 81.534994122 2006 95.4636898039 2007 98.8809391173 2008 100.5334428327 2009 82.392993141 2010 93.8241871683 2011 107.443299104 2012 110.3519780879 2013 104.7795916811 2014 110.1782585992 2015 100 2016 101.0679439538 2017 101.7459534993 2018 106.7375849782 2019 110.5087381247 2020 101.3091904258 2021 110.1223561989