Year % 1996 39.13044 1997 0 1998 0.2466456 1999 39.89899 2000 72.48239 2001 0.2574476 2002 0 2003 0 2006 0.0070656 2007 0.0140548 2010 0.2087371 2011 0 2012 0 2013 0 2015 0 2016 0 2017 0 2020 0