Year	%
2001	13.454692429801892
2002	13.40520952647624
2003	13.810493084416239
2004	15.952051572726731
2005	14.382801944057919
2006	14.924543711915943
2007	15.164313432804327
2008	13.990700457786328
2009	17.623309507850486
2010	17.671256390291592
2011	15.686186065711157
2012	17.28274254160725
2013	17.9952886789035
2014	16.975110568663794
2015	18.54060054885867
2016	18.940802401153405
2017	19.069299497800145
2018	17.924169844953603
2019	18.367756050294666
2020	19.569677121609136
2021	20.786989215958307
2022	19.90788690322546
2023	19.15145466901324