Year	%
1994	34.77
1999	17.95
2000	22.87
2001	21.23
2002	17.42
2004	16.81
2005	11.92
2006	11.9
2007	11.89
2008	11.66
2009	11.63
2010	11.63
2011	11.54
2012	11.49
2013	11.42
2014	11.47
2015	11.56
2016	11.54
2018	11.64
2019	12.23
2020	12.32
2021	12.45