Year % 1993 0 1997 0 2000 0 2001 0 2002 0 2003 0 2005 0 2006 6.016043 2007 0 2008 0.0460791 2009 0 2010 0 2011 0 2012 0 2014 0 2015 0 2016 0 2017 0 2019 0 2020 0 2021 0.007093