Year	%
1996	9.34
1997	10.44
2000	8.94
2001	8.97
2002	10.54
2008	7.52
2009	7.48
2010	7.75
2011	7.97
2012	7.76
2013	7.46
2014	6.52
2015	5.86
2016	4.98
2017	5.34
2018	5.44
2019	28.25
2020	5.36
2021	6.03