Year	Percent
2000-01-01	0.285050000000000
2001-01-01	0.294529000000000
2002-01-01	4.097010000000000
2003-01-01	5.702240000000000
2004-01-01	4.961069999999999
2005-01-01	15.364100000000000
2006-01-01	13.981600000000000
2007-01-01	12.545200000000000
2008-01-01	11.210999999999999
2009-01-01	10.442000000000000
2010-01-01	15.742300000000000
2011-01-01	16.940500000000000
2012-01-01	20.760100000000000
2013-01-01	23.372000000000000