Year	%
2001	15.052855391421394
2002	16.66600868962172
2003	17.386714241746887
2004	17.18312231119004
2005	15.023007485486477
2006	15.923455499389977
2007	17.091135826219706
2008	16.149944059967893
2009	20.341627619062894
2010	22.891797876415147
2011	20.221029548677873
2012	19.571980002179487
2013	20.410211433681283
2014	21.195473638625927
2015	22.503945249978948
2016	22.163441529766462
2017	20.267657162845158
2018	21.734522183702563
2019	21.277825096468295
2020	22.104320881741263
2021	22.226700342439162
2022	21.389311852347554
2023	20.738920186816785