Year % 2006 97.8073 2007 104.8198 2008 100.0071 2009 92.265 2010 98.5913 2011 101.5973 2012 96.1274 2013 90.3687 2014 94.2931 2015 88.5273 2016 92.7958 2017 92.5031 2018 97.7758 2019 94.4411 2020 66.6193 2021 66.6193