Year	%
1994	26.27
1999	28.01
2001	11.23
2002	13.12
2003	11.06
2004	10.84
2005	10.72
2006	10.29
2007	9.66
2008	4.08
2009	10.12
2010	4.98
2012	2.87
2013	4.07
2014	4.42
2015	4.63
2016	4.08
2017	3.61
2018	8.4
2019	2.71
2020	2.66
2021	2.52