Year	%
1995	6.92
1997	7.72
2002	7.29
2006	4.74
2007	4.73
2008	4.77
2009	4.09
2010	4.06
2011	3.99
2012	4
2013	4.09
2014	4.07
2015	4.07
2016	4.07
2017	4.07
2018	4.07
2019	4.07
2020	4.07
2021	4.07