Year % 2001 0 2002 0.1731852 2007 5.424918 2008 4.936387 2009 5.316381 2010 12.96089 2011 16.49277 2012 0.0241546 2013 16.26368 2014 16.43816 2015 15.22109 2016 16.54893 2020 9.507042