Year	%
2001	2.82
2003	3.34
2004	3.51
2005	3.48
2006	3.38
2007	3.6
2008	3.49
2009	3.88
2010	3.9
2011	3.96
2012	4.57
2013	4.5
2014	4.48
2015	6.26
2016	4.85
2017	4.51
2019	4.99
2020	4.73
2021	5.57