Year In ZoneOut of Zone
2009 -18.11 -20.43
2010 -17.62 -19.80
2011 -18.94 -19.85
2012 -20.69 -22.98
2013 -20.15 -23.06
2014 -19.77 -23.95
2015 -23.12 -26.56
2016 -24.50 -28.88
2017 -22.48 -27.67
2018 -22.59 -25.87