Year	%
1989	8.08
1993	6.98
1995	6.93
1996	5.6
1997	5.19
1998	3.95
1999	3.73
2000	3.43
2001	3.61
2002	3.67
2003	6.11
2004	3.54
2005	3.4
2006	3.38
2007	3.49
2008	3.36
2009	3.49
2010	2.96
2011	2.84
2012	2.88
2013	2.97
2014	2.94
2015	3.11
2016	3.2
2017	3.17
2018	3.09
2019	7.24
2020	3.16
2021	3.03