Year In ZoneOut of Zone
2008 4.59 10.71
2009 8.97 6.07
2010 8.72 4.04
2011 10.89 11.63
2012 12.37 14.04
2013 10.10 13.50
2014 10.62 13.40
2015 9.35 12.85
2016 10.11 12.88