Year	Percent
1996-01-01	0.47462299999999996
1997-01-01	1.36354000000000000
1998-01-01	2.03790000000000000
1999-01-01	2.33770000000000000
2000-01-01	2.16629000000000000
2001-01-01	1.69668000000000000
2002-01-01	1.44757999999999990
2003-01-01	1.08985000000000000
2004-01-01	1.57947000000000020
2005-01-01	2.30292000000000000
2006-01-01	4.65067000000000000
2007-01-01	4.25022000000000000
2008-01-01	1.72934000000000000
2009-01-01	1.05332999999999990
2010-01-01	0.79936800000000010
2011-01-01	0.65175300000000000
2012-01-01	0.47282600000000000