Year	%
2005	6.99617313682385
2006	6.56811457626493
2007	5.7776082194137
2008	6.28258103994627
2009	9.4463437392788
2010	10.0278370674613
2011	11.7423491843706
2012	13.7463696406392
2013	16.5427056350995
2014	18.0330469839719
2015	18.0643688300521
2016	17.1162385246125
2017	14.3832990405839
2018	8.38628316437891
2019	6.74918443535526
2020	4.35972073669912
2021	3.34809683915318