Year	Percent
2010	54.30257
2011	32.12421
2012	37.64491
2013	38.90096
2014	31.601
2015	31.70996
2016	29.61607
2017	47.83572
2018	44.0012
2019	40.2694
2020	57.7709
2021	28.25235