Year	%
2004	1.49
2008	2.41
2010	4.81
2011	3.66
2012	4.16
2013	4.3
2014	3.71
2015	4.87
2016	2.78
2017	2.53
2018	2.48
2019	2.29
2020	2.04
2021	2.32