Year % 2001 24.387425641489564 2002 27.861593717577904 2003 44.48066387777843 2004 50.95626223569951 2005 53.618536326440136 2006 59.38964893659758 2007 58.58125415153758 2008 38.09057838645069 2009 41.565095045865306 2010 28.88910944794395 2011 31.294991099770954 2012 28.763708446827117 2013 31.366459293813687 2014 28.537269467608507 2015 24.548491475654288 2016 29.10476725128166 2017 30.764730318014177 2018 27.217264712603374 2019 25.762272244959778 2020 27.295637914703786 2021 28.615133851133738 2022 25.443229535822432 2023 24.293275696727495