Year	%
2001	11.51539
2002	11.16165
2004	10.21716
2005	9.532641
2006	9.778729
2007	9.205903
2008	11.30137
2009	10.85787
2010	12.46057
2011	13.2454
2012	9.722222
2013	8.041401
2014	14.59684
2015	15.84429
2016	15.5303
2017	5.822058
2018	4.827299
2019	13.37222
2020	13.43608
2021	13.79876