Year	Percent
1996-01-01	62.12170000000000
1997-01-01	64.98700000000000
1998-01-01	31.45240000000000
1999-01-01	49.89710000000000
2000-01-01	55.18600000000001
2001-01-01	52.46610000000000
2002-01-01	40.11820000000000
2003-01-01	36.27240000000000
2004-01-01	33.09210000000000
2005-01-01	34.35340000000000
2006-01-01	31.58980000000000
2007-01-01	30.56180000000000
2008-01-01	34.13360000000000
2009-01-01	34.25140000000000
2010-01-01	29.55520000000000
2011-01-01	25.90800000000000
2012-01-01	27.60840000000000
2013-01-01	27.50330000000000
2014-01-01	25.47130000000000