Year	%
1993	15.62
1997	18.29
1998	19.48
2000	13.07
2003	8.79
2005	9.13
2006	8.97
2007	8.13
2008	8.62
2009	9.45
2010	9.52
2011	8.1
2012	9.55
2013	8.89
2014	8.84
2015	8.07
2016	10.2
2018	10.41
2019	10.29
2020	11.04
2021	10.67