Year	Percent
1994-01-01	4.139240000000000
1995-01-01	3.256600000000000
1996-01-01	3.110360000000000
1997-01-01	6.024640000000000
1998-01-01	9.282180000000000
1999-01-01	11.298300000000000
2000-01-01	10.441800000000000
2001-01-01	9.721110000000001
2002-01-01	11.778900000000000
2003-01-01	12.919600000000000
2004-01-01	16.066000000000000
2005-01-01	11.379000000000001
2006-01-01	9.839260000000001
2007-01-01	9.309650000000000
2008-01-01	7.881230000000000
2009-01-01	19.143100000000000
2010-01-01	27.406800000000000
2011-01-01	28.222600000000000
2012-01-01	23.496100000000000
2013-01-01	3.514020000000000
2014-01-01	15.928500000000000
2015-01-01	19.838800000000000
2016-01-01	23.033400000000000