Year	Percent
1992-01-01	0.00100000000000000
1993-01-01	0.48900000000000000
1994-01-01	0.52800000000000000
1995-01-01	0.17400000000000000
1996-01-01	0.27200000000000000
1997-01-01	0.31100000000000000
1998-01-01	0.25200000000000000
1999-01-01	0.38799999999999996
2000-01-01	0.90000000000000000
2001-01-01	1.56000000000000000
2002-01-01	2.75000000000000000
2003-01-01	3.94000000000000000
2004-01-01	4.74000000000000000
2005-01-01	5.80000000000000000
2006-01-01	8.44000000000000000
2007-01-01	10.62000000000000000
2008-01-01	3.35000000000000000
2009-01-01	5.28000000000000000
2010-01-01	5.34000000000000000
2011-01-01	3.49000000000000000
2012-01-01	5.37000000000000000
2013-01-01	5.63000000000000000
2014-01-01	6.27000000000000000
2015-01-01	6.76000000000000000
2016-01-01	6.30000000000000000