Year	Percent
2001-01-01	74.100000000000000
2002-01-01	57.000000000000000
2003-01-01	33.000000000000000
2004-01-01	31.000000000000000
2005-01-01	29.000000000000000
2006-01-01	25.000000000000000
2007-01-01	16.900000000000000
2008-01-01	12.600000000000000
2009-01-01	13.100000000000000
2010-01-01	7.332350000000000
2011-01-01	5.592810000000000
2012-01-01	5.106210000000000
2013-01-01	5.932760000000000
2014-01-01	5.223730000000001
2015-01-01	5.906130000000000
2016-01-01	7.083920000000000