Year	%
2001	7.093831841749804
2002	5.880871443653135
2003	8.53637023388078
2004	9.255849138929225
2005	8.812522632548978
2006	10.724812785009455
2007	12.097647096938156
2008	18.30134943211033
2009	22.134613356438507
2010	22.99218645076148
2011	21.088853877638773
2012	20.500483477254356
2013	19.050348753503954
2014	19.18870157534335
2015	17.25046055456351
2016	18.940802401153405
2017	19.56550129406137
2018	17.989829705315604
2019	20.192352948837737
2020	21.69203199776586
2021	19.631611098916572
2022	17.362883666467607
2023	16.779974931863766