Year In ZoneOut of Zone
2007 18.53 18.18
2008 18.54 15.56
2009 18.34 14.17
2010 23.83 14.20
2011 20.62 21.71
2013 22.94 18.57
2014 26.88 16.18
2015 25.74 23.85
2016 25.34 29.50