Year In ZoneOut of Zone
2008 86.57 86.23
2009 87.42 87.44
2010 87.78 87.48
2011 88.52 88.03
2012 88.40 87.93
2013 89.66 89.25
2014 89.16 88.92
2015 88.86 89.05
2016 88.38 87.87
2017 87.07 86.49
2018 86.90 86.00