Year	Percent
1996-01-01	2.2595200000000000
1997-01-01	3.1141900000000002
1998-01-01	1.8643000000000000
1999-01-01	2.6838300000000000
2000-01-01	1.2136300000000000
2001-01-01	1.3548000000000000
2002-01-01	1.6643500000000000
2003-01-01	0.5645430000000000
2004-01-01	20.6737000000000000
2005-01-01	2.3153700000000000
2006-01-01	3.7062699999999995
2007-01-01	3.7062699999999995
2008-01-01	0.4606630000000000
2009-01-01	0.5459579999999999
2010-01-01	0.7843140000000001
2011-01-01	1.5802700000000000
2012-01-01	0.6438760000000000