Year	Percent
2011	52.05814
2012	54.15826
2013	56.29975
2014	58.48262
2015	60.70688
2016	62.97251
2017	65.27953
2018	67.62793
2019	70.0177
2020	70.0177
2021	70.0177
2022	70.0177