Year % 2009 91.1511 2010 103.674 2011 105.5325 2012 95.520399054455 2013 87.6245809080294 2014 90.8458738492148 2015 89.4945568060603 2017 101.085383502171 2018 100.586789708611 2019 96.7498726439124