Year % 2000 6.33737185461323 2001 8.326817826426899 2002 4.27310729215049 2003 1.7485434550280998 2004 3.45888485163076 2005 3.21680362202204 2006 5.8072224092205404 2007 5.92872495066109 2008 5.33380744955107 2009 2.2783581705497 2010 6.80869083683508 2011 1.5198727623869999 2012 1.9678525791916102 2013 3.00613496932515 2014 1.47800784274546 2015 0.827567567567568 2016 8.11975228316843 2017 1.4396110034243201 2018 2.0537 2019 1.4764 2020 11.0209 2021 9.2408 2022 6.1159