Year 2015 = 100 1995 53.6545502161 1996 52.8242656502 1997 52.4382219736 1998 54.6901727862 1999 53.4862011877 2000 53.0754720825 2001 52.9319754104 2002 58.7697418823 2003 67.071659941 2004 79.6013507979 2005 88.2723380685 2006 99.8647107809 2007 114.4869017532 2008 127.725722316 2009 97.0921900431 2010 96.9977953691 2011 111.7264552607 2012 107.3604021751 2013 113.7155939725 2014 116.2918040371 2015 100 2016 99.8718529879 2017 108.5657171138 2018 120.0075409312 2019 114.6702162601 2020 114.8036849905 2021 140.5079578927