Year	Percent
1993-01-01	0.477292000000000000
1994-01-01	0.241504000000000000
1995-01-01	0.100038000000000000
1996-01-01	0.074715999999999990
1997-01-01	0.105309999999999990
1998-01-01	0.077825000000000000
1999-01-01	0.063265000000000000
2000-01-01	0.061123000000000004
2001-01-01	0.073277000000000000
2002-01-01	0.069516000000000000
2003-01-01	0.910138999999999900
2004-01-01	1.226620000000000000
2005-01-01	1.932450000000000000
2006-01-01	1.902259999999999800
2007-01-01	1.925520000000000100
2008-01-01	2.043690000000000200
2009-01-01	1.878570000000000000
2010-01-01	1.777950000000000000
2011-01-01	1.785210000000000000
2012-01-01	2.063800000000000000
2013-01-01	2.103760000000000000
2014-01-01	2.372470000000000000
2015-01-01	2.442890000000000200
2016-01-01	2.360960000000000000
2017-01-01	2.257520000000000000