Year	Percent
1995-01-01	4.917200000000000
1996-01-01	5.239250000000000
1997-01-01	4.888560000000000
1998-01-01	6.882840000000000
1999-01-01	12.011800000000000
2000-01-01	21.454900000000000
2001-01-01	17.895200000000000
2002-01-01	35.519500000000000
2003-01-01	43.641999999999996
2004-01-01	47.924600000000000
2005-01-01	57.396700000000000
2006-01-01	68.135500000000000
2007-01-01	69.615200000000000
2008-01-01	38.943600000000000
2009-01-01	25.421200000000000
2010-01-01	26.848500000000000
2011-01-01	30.594700000000000
2012-01-01	30.468600000000000
2013-01-01	33.982500000000000
2014-01-01	28.110000000000000
2015-01-01	27.738900000000000
2016-01-01	35.361800000000000