Year In ZoneOut of Zone
2007 13.90 16.79
2008 10.54 13.07
2009 13.71 11.06
2010 12.37 14.51
2011 10.94 13.95
2012 12.70 14.72
2013 11.69 14.53
2014 12.87 14.38
2015 11.29 16.65
2016 9.80 15.26