Year % 2000 36.937 2001 40.028 2002 31.499 2003 39.047 2004 40.334 2005 45.094 2006 45.003 2007 38.578 2008 37.514 2009 45.367 2010 46.2 2011 51.831 2012 57.969 2013 46.589 2014 46.67 2015 48.274 2016 47.617 2017 51.344 2018 45.551 2019 50.625 2020 47.621 2021 56.108 2022 58.712 2023 53.958