Year	Percent
2011	4.24481
2012	4.79332
2013	5.36485
2014	5.9594
2015	6.57697
2016	7.21756
2017	7.88117
2018	8.5678
2019	9.27745
2020	9.27745
2021	9.27745
2022	9.27745