Year In ZoneOut of Zone
2008 2.36 1.79
2009 2.35 2.04
2010 2.98 2.30
2011 2.40 2.20
2012 3.67 3.54
2013 3.68 3.41
2014 2.54 1.37
2015 2.44 1.49
2016 3.24 1.98
2017 2.74 2.75