Year	Percent
2011	41.16322
2012	41.2372
2013	41.27469
2014	41.27738
2015	41.24751
2016	41.18681
2017	41.09733
2018	40.98151
2019	40.84166
2020	40.95093
2021	41.06566
2022	41.18659