Year % 2007 120.0821 2008 107.8952 2009 100.1663 2010 108.0497 2011 100.6486 2012 95.1128 2013 95.9657 2014 96.3321 2015 83.3139 2016 91.9384 2017 99.7768 2018 109.623 2019 110.65485 2020 103.58476