Year	Percent
1999-01-01	0.3872280000000000
2000-01-01	0.9722820000000000
2001-01-01	1.3694600000000001
2002-01-01	1.3412000000000000
2003-01-01	0.9520230000000000
2004-01-01	1.7324400000000002
2005-01-01	1.6957900000000001
2006-01-01	1.9680400000000002
2007-01-01	3.1849700000000000
2008-01-01	2.5800700000000000
2009-01-01	1.7376200000000002
2010-01-01	0.7927690000000000
2011-01-01	0.1025260000000000
2012-01-01	0.0649670000000000