Year	Percent
1995-01-01	12.271800000000000
1996-01-01	9.648330000000000
1997-01-01	7.251339999999999
1998-01-01	5.975250000000000
1999-01-01	5.677350000000000
2000-01-01	5.535830000000001
2001-01-01	6.920500000000000
2002-01-01	7.797480000000000
2003-01-01	6.803000000000000
2004-01-01	7.330750000000000
2005-01-01	6.599320000000000
2006-01-01	6.025140000000000
2007-01-01	5.850160000000000
2008-01-01	4.848340000000000
2009-01-01	5.169670000000000
2010-01-01	6.218360000000000
2011-01-01	7.145440000000000
2012-01-01	5.971480000000001
2013-01-01	5.154110000000000
2014-01-01	4.857780000000000
2015-01-01	4.661180000000000
2016-01-01	5.260440000000000