Year	Percent
1996-01-01	25.627400000000000
1997-01-01	17.529800000000000
1998-01-01	5.105540000000000
1999-01-01	8.255060000000000
2000-01-01	6.788620000000000
2001-01-01	10.139700000000000
2002-01-01	8.686990000000000
2003-01-01	9.693920000000000
2004-01-01	10.561100000000000
2005-01-01	9.685620000000000
2006-01-01	7.149300000000000
2007-01-01	8.672189999999999
2008-01-01	10.471400000000000
2009-01-01	9.225130000000000
2010-01-01	9.270500000000000
2011-01-01	8.592670000000000
2012-01-01	6.837100000000000
2013-01-01	8.687980000000000
2014-01-01	9.149150000000000
2015-01-01	8.956900000000000
2016-01-01	9.746910000000000