Year % 2005 99.6851 2006 96.5138 2007 94.4868 2008 92.5874 2009 91.2246 2010 87.2239 2011 96.642 2012 95.0604 2013 93.6041 2014 90.4116 2015 90.1499 2016 88.729 2017 97.0022 2018 86.7584 2019 89.4116568465026 2020 95.4451296140503 2021 95.6357316507487 2022 88.9791068924314