2010 5.9
2011 5.0
2012 2.1
2013 3.4
2014 3.8
2015 13.0
2016 11.9
2017 6.1
2018 5.6
2019 7.7
2020 ---
2021 ---
2022 1.7
2023 7.9 with added DC effectively about 9.165%