Year In ZoneOut of Zone
2008 17.68 39.45
2009 17.91 31.54
2010 15.70 42.94
2011 14.76 36.20
2012 14.79 48.31
2013 10.63 31.14
2014 9.56 30.07
2015 15.14 32.18
2016 12.99 34.38