Year	Percent
1996-01-01	1.81015000000000000
1997-01-01	1.41167999999999980
1998-01-01	0.81132700000000000
1999-01-01	0.36256300000000000
2000-01-01	0.25819100000000000
2001-01-01	0.40327399999999997
2002-01-01	0.77473600000000000
2003-01-01	1.09857000000000000
2004-01-01	1.56303000000000000
2005-01-01	2.35753000000000000
2006-01-01	2.39312000000000000
2007-01-01	2.73026000000000000
2008-01-01	2.72342000000000000
2009-01-01	2.41647000000000000
2010-01-01	2.42913000000000000
2011-01-01	2.41765999999999970
2012-01-01	2.32219000000000000
2013-01-01	2.01092000000000000
2014-01-01	1.93702000000000000
2015-01-01	1.70112000000000000
2016-01-01	2.48575000000000000