Year	%
1994	17.4
1999	15.52
2000	21.7
2001	22.35
2002	15.7
2004	10.43
2005	8.52
2006	6.98
2007	9.7
2008	9.69
2009	15.11
2010	11.79
2011	9.92
2012	26.69
2013	12.04
2014	15.26
2015	15.07
2016	17.31
2018	25.57
2019	29.52
2020	22.55
2021	22.43