Year	Percent
2000	12.08238
2001	11.34799
2002	10.63653
2003	9.8586
2004	9.17294
2005	8.45768
2006	7.99587
2007	6.89109
2008	7.0021
2009	6.8712
2010	6.83583
2011	6.71717
2012	6.84452
2013	6.9477
2014	7.06751
2015	7.05802
2016	7.47518
