Year	%
2000	23.82
2001	16.45
2002	16.62
2003	14.48
2004	14.19
2005	12.29
2006	10.87
2007	10.7
2008	10.62
2009	9.74
2010	11.63
2011	11.76
2012	11.33
2013	11.29
2014	5.95
2015	5.87
2016	5.72
2017	4.84
2020	5.23