Year	Percent
1995-01-01	16.737300000000000
1996-01-01	30.540200000000000
1997-01-01	28.598500000000000
1998-01-01	16.940800000000000
1999-01-01	22.044700000000000
2000-01-01	24.721200000000000
2001-01-01	23.695999999999998
2002-01-01	32.164300000000000
2003-01-01	29.671200000000000
2004-01-01	27.279200000000000
2005-01-01	38.131700000000000
2006-01-01	14.682900000000000
2007-01-01	12.335400000000000
2008-01-01	11.728600000000000
2009-01-01	14.459300000000000
2010-01-01	14.701900000000000
2011-01-01	15.409800000000000
2012-01-01	14.904500000000000
2013-01-01	11.586800000000000
2014-01-01	9.103660000000001
2015-01-01	4.519080000000001