Year In ZoneOut of Zone
2007 -2.82 -2.84
2008 -2.69 -2.71
2009 -2.23 -2.24
2010 -2.09 -2.10
2011 -2.19 -2.22
2012 -2.19 -2.23
2013 -2.03 -2.05
2014 -2.03 -2.04
2015 -2.15 -2.15
2016 -2.31 -2.31
2017 -2.28 -2.30
2018 -1.97 -2.01
2019 -1.88 -1.89