Year % 2005 5.18084337444251 2006 3.3907141955962 2007 2.72684750122498 2008 2.67920601141364 2009 2.98195821294241 2010 1.84399576317014 2011 1.22770795872113 2012 1.53673589612636 2013 1.53372870982538 2014 1.79255873857878 2015 1.57420132816491 2016 1.70027750562075 2017 1.73479928371252 2018 2.95778551361675 2019 5.7029147138395 2020 4.15006400338998 2021 4.29211290587395 2022 3.09408943019472