Year	%
1996	10.79
2000	8.61
2001	8.68
2003	8.7
2004	8.87
2005	8.98
2006	7.21
2007	7.77
2008	6.55
2009	7.77
2010	6.87
2011	7.76
2012	6.98
2013	7.91
2014	7.35
2015	8.32
2016	8.06
2020	3.49
2021	4.08