Year % 2001 47.71274 2002 47.75599 2003 51.26089 2004 51.85185 2005 52.35955 2006 41.90687 2007 47.59341 2008 47.59341 2009 47.59341 2010 47.59341 2011 47.38335 2012 47.38335 2013 47.47793 2014 44.839 2015 37.5 2016 34.95575 2017 59.55826 2018 56.45161 2019 49.95096 2020 49.95096 2021 48.59974