Year	%
1990	25.37
1993	22.91
1994	23.31
1997	19.25
1998	10.02
2000	8.82
2001	8.8
2003	8.89
2004	9.79
2005	11
2006	10.68
2007	10.25
2008	10.14
2009	9.99
2010	8.79
2011	8.79
2012	8.56
2014	8.22
2015	7.29
2017	8.28
2018	8.07
2019	8.07
2020	7.23
2021	4.36