Year In ZoneOut of Zone
2007 91.32 91.80
2008 89.60 88.97
2009 89.07 88.86
2010 89.66 88.93
2011 88.63 87.03
2012 88.54 87.10
2013 88.24 87.67
2014 88.67 87.94
2015 89.27 88.58