Year	Percent
1993-01-01	32.0347000000000000
1994-01-01	4.5884400000000000
1995-01-01	4.6537100000000000
1996-01-01	4.7416800000000010
1997-01-01	3.0629600000000000
1998-01-01	1.8034100000000000
1999-01-01	2.9749000000000000
2000-01-01	3.6644099999999997
2001-01-01	4.2464100000000000
2002-01-01	3.7879099999999997
2003-01-01	5.0802200000000000
2004-01-01	4.0222800000000000
2005-01-01	3.3259600000000000
2006-01-01	2.7827900000000003
2007-01-01	1.9887900000000000
2008-01-01	6.8928899999999995
2009-01-01	4.4580000000000000
2010-01-01	4.4709800000000000
2011-01-01	3.3985500000000000
2012-01-01	3.6005400000000000
2013-01-01	3.4075699999999998
2014-01-01	3.1248000000000000
2015-01-01	4.0405500000000000
2016-01-01	4.3567800000000005