Year	%
2005	4.94
2007	4.55
2008	4.9
2009	4.87
2011	5.2
2012	4.74
2013	4.61
2014	4.18
2015	4.11
2016	3.85
2017	6.88
2018	5.22
2019	5.15
2020	4.83
2021	4.72