Year	%
2007	10.13169
2008	8.69479
2009	7.759583
2010	6.882988
2011	7.184076
2012	4.692912
2013	5.097267
2014	5.060812
2015	5.307312
2016	4.262241
2017	4.464818
2018	3.212392
2019	3.561245
2020	1.716014
2021	5.63186