Year	%
2008	4.26267885630056
2009	4.63488527505734
2010	6.00399735711519
2011	4.38694605574097
2012	3.79657259931126
2013	8.12294910290514
2014	9.57783632893941
2015	9.86910567244994
2016	10.1841003639361
2017	8.69778491699018
2018	8.10080559529895
2019	8.9201400679064
2020	8.6621137957118
2021	7.34038844640039
2022	6.8692151867296