Year	Percent
1993-01-01	0.6200399999999999
1994-01-01	0.7703470000000000
1995-01-01	1.2560000000000000
1996-01-01	2.0138800000000000
1997-01-01	1.7680799999999999
1998-01-01	1.9789299999999999
1999-01-01	2.5745299999999998
2000-01-01	3.1932700000000000
2001-01-01	2.3811299999999997
2002-01-01	2.2971200000000000
2003-01-01	1.9622500000000000
2004-01-01	1.8773799999999998
2005-01-01	1.9729700000000001
2006-01-01	1.7721099999999999
2007-01-01	1.5455299999999998
2008-01-01	1.5121500000000000
2009-01-01	1.9411400000000000
2010-01-01	2.9177400000000002
2011-01-01	1.6283400000000000
2012-01-01	1.9413000000000000
2013-01-01	2.7300000000000000
2014-01-01	2.8517000000000000
2015-01-01	3.0073000000000000
2016-01-01	2.1246500000000000