Year % 1993 100 1994 95.68353 1995 93.76537 1996 89.42103 1999 100 2000 87.60447 2001 100 2002 100 2003 99.23448 2004 96.96021 2005 94.09704 2006 86.49801 2007 94.62464 2008 94.9636 2009 91.01824 2010 98.58748 2011 96.9086 2012 99.49632 2014 93.09738 2017 96.24945