Year 1=low to 6=high 2005 3.5 2006 3.5 2007 3.611111111111111 2008 3.65 2009 3.7 2010 3.65 2011 3.611111111111111 2012 3.5555555555555554 2013 3.5 2014 3.5 2015 3.5 2016 3.5 2017 3.5 2018 3.5 2019 3.5