Year	Percent
1995-01-01	34.844000000000000
1996-01-01	32.658700000000000
1997-01-01	29.691000000000000
1998-01-01	27.127500000000000
1999-01-01	29.282200000000000
2000-01-01	42.603800000000000
2001-01-01	39.069400000000000
2002-01-01	37.646300000000000
2003-01-01	31.280300000000000
2004-01-01	40.205999999999996
2005-01-01	38.219400000000000
2006-01-01	41.755200000000000
2007-01-01	44.250900000000000
2008-01-01	36.339100000000000
2009-01-01	24.756600000000000
2010-01-01	29.607400000000000
2011-01-01	28.263300000000000
2012-01-01	41.332800000000000
2013-01-01	45.999600000000000
2014-01-01	43.675700000000000
2015-01-01	38.920600000000000
2016-01-01	40.154000000000000