Year % 1995 0 2000 4.398585 2001 4.086054 2002 6.721795 2003 0 2006 0 2007 0.0198536 2008 0.025483 2009 0.0282952 2010 0.0255951 2011 0.0267072 2012 0 2013 0.0232612 2014 0.0277648 2015 5.561892 2016 4.312172 2017 3.032629 2018 0.2921336 2019 0.3506601 2020 0.23107 2021 0.7730059