Year % 1982 28.90308 2001 58.89182 2002 60.43285 2003 64.88589 2004 62.78454 2007 96.04633 2008 96.36591 2009 96.33313 2010 96.19307 2011 94.98607 2012 93.48463 2013 96.57738 2016 95.78125 2017 97.36842