Year In ZoneOut of Zone
2007 -5.35 -4.81
2008 -4.95 -4.87
2009 -4.39 -3.86
2010 -4.00 -3.91
2011 -3.82 -3.70
2012 -3.26 -3.50
2013 -3.29 -3.35
2014 -3.68 -3.33
2015 -3.53 -3.75
2016 -3.55 -3.57
2017 -3.73 -3.22
2018 -3.24 -1.66
2019 -2.91 -1.51