Year	Percent
1998-01-01	0.24520000000000000
1999-01-01	0.24987199999999998
2000-01-01	0.26879000000000003
2001-01-01	0.27391100000000000
2002-01-01	0.29460800000000000
2003-01-01	0.27250800000000000
2004-01-01	0.18043299999999998
2005-01-01	0.13888800000000000
2006-01-01	0.12462100000000001
2007-01-01	0.16340000000000000
2008-01-01	0.12385100000000000
2009-01-01	0.21082500000000000
2010-01-01	0.12573099999999998
2011-01-01	0.10323800000000001
2012-01-01	0.12435299999999999
2013-01-01	0.13922900000000000
2014-01-01	0.14545100000000000
2015-01-01	0.16686900000000002