Year 1=low to 6=high 2005 3.28125 2006 3.1470588235294117 2007 3.1176470588235294 2008 3.176470588235294 2009 3.264705882352941 2010 3.323529411764706 2011 3.210526315789474 2012 3.05 2013 3.025 2014 3.025 2015 3.025 2016 3.05 2017 3.1 2018 3.075 2019 3.125 2020 3.0952380952380953 2021 3.0952380952380953 2022 3.0476190476190474 2023 3.0238095238095237