Year	%
2001	5
2003	4.97
2004	4.97
2005	4.98
2006	5.05
2007	5.05
2008	5
2009	5.13
2010	5.13
2011	5.15
2012	5.64
2013	5.62
2014	5.99
2015	8.15
2016	7.85
2017	7.24
2018	7.77
2019	12.02
2020	7.43
2021	7.87