Year In ZoneOut of Zone
2007 16.50 10.34
2008 17.53 15.09
2009 22.48 18.71
2010 22.81 19.85
2011 18.20 15.98
2012 19.52 13.26
2013 24.16 19.65
2014 26.01 20.18
2015 27.47 27.21