Year	Percent
2002-01-01	12.394300000000000
2003-01-01	10.149800000000000
2004-01-01	7.320330000000000
2005-01-01	5.229210000000000
2006-01-01	3.738410000000000
2007-01-01	2.831250000000000
2008-01-01	2.154220000000000
2009-01-01	11.944700000000000
2010-01-01	9.527300000000000
2011-01-01	9.885869999999999
2012-01-01	10.380300000000000
2013-01-01	9.743080000000000
2014-01-01	8.522300000000000
2015-01-01	8.219690000000000
2016-01-01	14.982500000000000