Year	Percent
2011	18.79328
2012	21.31119
2013	23.93104
2014	26.65282
2015	29.47654
2016	32.4022
2017	35.4298
2018	38.55933
2019	41.7908
2020	41.7908
2021	41.7908
2022	41.7908