Year	%
2009	11.5330478934685
2010	12.2285825263638
2011	12.0101569576645
2012	12.6534987593052
2013	13.5433105997172
2014	13.677327493038
2015	13.9025544488238
2016	14.7981889370371
2017	15.416381791662
2018	15.1918107914897
2019	14.4257972483889
2020	14.4349036142209
2021	13.823886595034
2022	13.6773351621621