Year	Percent
1998-01-01	31.734000000000000
1999-01-01	38.202500000000000
2000-01-01	43.100000000000000
2001-01-01	42.500000000000000
2002-01-01	39.568200000000000
2003-01-01	42.963700000000000
2004-01-01	40.545200000000000
2005-01-01	35.930400000000000
2006-01-01	25.204700000000000
2007-01-01	26.333000000000002
2008-01-01	30.334600000000000
2009-01-01	20.787100000000000
2010-01-01	20.087800000000000
2011-01-01	19.065400000000000
2012-01-01	21.933700000000000
2013-01-01	9.293460000000001
2014-01-01	89.380100000000000