Year % 2001 4.702252012571797 2002 5.4639448463328435 2003 5.0326629143176245 2004 5.21354401875158 2005 5.07901582621976 2006 4.012168206604018 2007 11.145602660317111 2008 7.331410622118935 2009 14.868474432949508 2010 24.992229730963047 2011 5.14029758117793 2012 6.534077150597521 2013 5.280165387349062 2014 5.958868804037439 2015 4.563619270118768 2016 4.810950429092663 2017 5.642026441120728 2018 7.4185425652982095 2019 5.5410557935923235 2020 7.3176969741758855 2021 7.1061629794756165 2022 6.06957706417137 2023 5.59084235086411