Year	%
1996	13.83
1999	14.8
2000	13.29
2001	12.89
2002	12.28
2003	13.09
2006	6.38
2007	8.46
2010	9.72
2011	9.05
2012	5.56
2013	5.56
2015	5.07
2016	8.12
2017	7.82
2018	7.24
2019	7.23
2020	7.73
2021	8.71