Year % 2001 0 2003 1.540154 2004 1.690141 2005 1.676224 2006 1.912351 2007 2.61194 2008 1.88744 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0.0305795 2015 5.606324 2016 6.44612 2017 4.339005 2019 0 2020 0 2021 0.156701