Year	Percent
2000-01-01	0.07
2001-01-01	0.10
2002-01-01	0.14
2003-01-01	0.27
2004-01-01	0.33
2005-01-01	0.56
2006-01-01	0.65
2007-01-01	0.86
2008-01-01	0.55
2009-01-01	0.89
2010-01-01	1.63
2011-01-01	1.66
2012-01-01	1.52
2013-01-01	1.83
2014-01-01	0.96
2015-01-01	0.92
2016-01-01	0.88