Year	Percent
1994-01-01	34.371500000000000
1995-01-01	8.293150000000000
1996-01-01	9.088210000000000
1997-01-01	8.969430000000001
1998-01-01	16.640200000000000
1999-01-01	9.935810000000000
2000-01-01	9.728610000000000
2001-01-01	10.292500000000000
2002-01-01	10.303700000000000
2003-01-01	11.248800000000000
2004-01-01	12.440900000000000
2005-01-01	13.784800000000000
2006-01-01	15.773100000000000
2007-01-01	17.672200000000000
2008-01-01	18.032200000000000
2009-01-01	21.927500000000000
2010-01-01	22.128000000000000
2011-01-01	21.482900000000000
2012-01-01	21.992200000000000
2013-01-01	23.544700000000000
2014-01-01	24.352900000000000
2015-01-01	28.471200000000000
2016-01-01	31.828400000000000