Year	%
2001	2.25
2004	17.36
2005	17.42
2006	16.33
2007	13.94
2008	12.38
2009	10.8
2010	10.75
2011	13.73
2012	13.77
2013	2.37
2014	4.04
2015	4.55
2016	3.18
2017	1.98
2018	4.46
2019	4.46
2020	4.46
2021	4.46
