Year	Percent
1993-01-01	0.022000000
1994-01-01	0.032000002
1995-01-01	0.044000000
1996-01-01	0.048999999
1997-01-01	0.032000002
1998-01-01	0.052999999
1999-01-01	0.092000000
2000-01-01	0.131999999
2001-01-01	0.179000005
2002-01-01	0.273000002
2003-01-01	0.293000013
2004-01-01	0.280000001
2005-01-01	0.356000006
2006-01-01	0.326999992
2007-01-01	0.344000012
2008-01-01	0.356999993
2009-01-01	0.319000006
2010-01-01	0.310999990
2011-01-01	0.301999986
2012-01-01	0.296000004
2013-01-01	0.250999987