Year	Percent
1999-01-01	0.43397100000000000
2000-01-01	0.56774399999999990
2001-01-01	0.49623800000000000
2002-01-01	0.58826400000000000
2003-01-01	0.30209800000000000
2004-01-01	0.49911500000000000
2005-01-01	1.20364000000000000
2006-01-01	1.23410000000000000
2007-01-01	1.12519000000000000
2008-01-01	0.39497600000000005
2009-01-01	0.63920400000000000
2010-01-01	0.56662700000000000
2011-01-01	0.00929500000000000
2012-01-01	0.00904100000000000
2013-01-01	0.01566900000000000
2014-01-01	0.02497500000000000
2015-01-01	0.01997600000000000