Year % 2006 96.0743 2007 92.3621 2008 115.13 2009 91.499 2010 88.6943 2011 102.5685 2012 107.195 2013 109.8912 2014 106.8856 2015 86.3191 2016 68.5793 2017 83.2622 2018 86.2842 2019 83.8782 2020 91.85708 2021 84.4901720904104 2022 82.6465588879334