Year	Percent
1993-01-01	12.3978000000000000
1994-01-01	11.1419000000000000
1995-01-01	11.0740000000000020
1996-01-01	10.6807000000000000
1997-01-01	11.4681000000000000
1998-01-01	10.3889000000000000
1999-01-01	9.9765500000000000
2000-01-01	9.4912500000000000
2001-01-01	8.8461199999999990
2002-01-01	7.4719899999999990
2003-01-01	0.9710010000000000
2004-01-01	1.7526300000000000
2005-01-01	1.1518300000000000
2006-01-01	0.9630120000000001
2007-01-01	0.8474290000000001
2008-01-01	0.6599310000000000
2009-01-01	0.6087260000000000
2010-01-01	3.3869000000000000
2011-01-01	3.1033000000000000
2012-01-01	2.8929500000000000
2013-01-01	6.3851000000000000
2014-01-01	8.7783100000000010
2015-01-01	11.7146000000000000
2016-01-01	13.9569000000000000