Year % 2001 0 2003 0.0091399 2004 0.0084463 2005 0.0080844 2006 0.0063969 2007 0.0160262 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 6.980132 2016 4.976163 2017 3.7058 2019 0.4371675 2020 0.434909 2021 1.116213