Year	Percent
2001-01-01	0.0015410000000000000
2002-01-01	0.0159690000000000000
2003-01-01	0.0258800000000000000
2004-01-01	0.0338910000000000040
2005-01-01	0.0307379999999999980
2006-01-01	0.0471890000000000000
2007-01-01	0.0589530000000000000
2008-01-01	0.0287860000000000030
2009-01-01	0.0057729999999999995
2010-01-01	0.0057729999999999995
2011-01-01	0.0052170000000000000
2012-01-01	0.0070770000000000000