Year Slider
2008 -2.35
2009 -5.08
2010 -4.55
2011 -4.40
2012 -3.34
2013 -3.65
2014 -2.84
2015 -2.75
2016 -2.91
2017 -2.65
2018 -2.23
2019 -2.55