Year	Percent
2001-01-01	0.018309000000000000
2002-01-01	0.029336000000000000
2003-01-01	0.053377999999999995
2004-01-01	0.084155000000000000
2005-01-01	0.219565000000000000
2006-01-01	0.257531000000000000
2007-01-01	0.409663000000000000
2008-01-01	0.542065000000000000
2009-01-01	0.400626000000000040
2010-01-01	0.195272000000000000
2011-01-01	0.286152000000000000