Year	Percent
1996-01-01	5.0572900000000000
1997-01-01	3.7197699999999996
1998-01-01	4.1311800000000005
1999-01-01	2.8345900000000000
2000-01-01	0.8899250000000000
2001-01-01	1.7997599999999998
2002-01-01	4.4347000000000000
2003-01-01	3.7958800000000004
2004-01-01	5.9544000000000000
2005-01-01	3.4152000000000000
2006-01-01	3.3323800000000000
2007-01-01	3.6071500000000000
2008-01-01	2.9156700000000000
2009-01-01	2.9868099999999997
2010-01-01	3.0721700000000003
2011-01-01	2.9067700000000000
2012-01-01	3.0791500000000000
2013-01-01	2.5843200000000000
2014-01-01	2.4355500000000000
2015-01-01	2.1464700000000000
2016-01-01	2.1143800000000000