Year In ZoneOut of Zone
2008 16.81 22.97
2009 20.37 17.98
2010 18.68 20.00
2011 15.82 13.43
2012 19.11 9.92
2013 25.56 18.29
2014 23.45 23.91
2015 26.67 22.13
2016 28.99 14.94