Year	Percent
2000-01-01	6.116164
2001-01-01	6.765752
2002-01-01	5.965005
2003-01-01	6.267058
2004-01-01	4.884512
2005-01-01	3.435776
2006-01-01	2.823930
2007-01-01	2.600816
2008-01-01	2.007437
2009-01-01	1.933416
2010-01-01	1.641578
