Year	Percent
1997-01-01	0.0034180000000000000
1998-01-01	0.0035979999999999996
1999-01-01	0.0039290000000000000
2000-01-01	0.0019620000000000000
2001-01-01	0.0543570000000000000
2002-01-01	0.0094230000000000000
2003-01-01	0.0120260000000000000
2004-01-01	0.0132660000000000000
2005-01-01	0.0305730000000000030
2006-01-01	0.0254350000000000000
2007-01-01	0.0463980000000000000
2008-01-01	0.0660410000000000000
2009-01-01	0.0531260000000000000
2010-01-01	0.0482890000000000000
2011-01-01	0.0671990000000000000
2012-01-01	0.0866090000000000000
2013-01-01	0.0480590000000000000
2014-01-01	0.0573669999999999940
2015-01-01	0.0796800000000000000
2016-01-01	0.0753510000000000000