Year	%
2001	11.714648674114954
2002	9.566314191527201
2003	9.695319114211982
2004	11.088611051068815
2005	9.464345437526097
2006	9.466906382131437
2007	28.942789839017564
2008	9.730449052348277
2009	12.608473314896212
2010	13.813588903875296
2011	13.158595070886896
2012	14.150662322472357
2013	14.996950690819533
2014	14.702761937954175
2015	16.987406807583838
2016	14.4293868981817
2017	15.939340472165858
2018	14.815447355687006
2019	15.22725030910997
2020	14.608846597584597
2021	16.02192096236079
2022	15.14717418738702
2023	18.226881237540194