Year In ZoneOut of Zone
2007 21.57 13.93
2008 18.08 18.75
2009 18.41 17.92
2010 19.48 14.36
2011 17.96 20.11
2012 20.49 22.10
2013 21.17 23.08
2014 25.93 21.69
2015 25.71 22.35