Year % 2007 88.47735 2008 97.02221 2009 66.91391 2010 88.49933 2011 106.8976 2012 100.1639 2013 110.9275 2014 107.0991 2015 90.6926 2016 92.6697 2017 102.7604 2018 122.4349 2019 108.38981 2020 69.83689 2021 136.763830820062