Year	Percent
1996-01-01	41.7532
1997-01-01	30.5345
1998-01-01	37.5000
1999-01-01	35.0000
2000-01-01	38.7097
2001-01-01	41.8605
2002-01-01	51.1111
2003-01-01	50.9091
2004-01-01	48.3333
2005-01-01	43.8710
2006-01-01	52.4194
2007-01-01	62.9825
2008-01-01	63.7472
2009-01-01	63.7566
2010-01-01	57.4387
2011-01-01	61.7084
2012-01-01	52.9279
2013-01-01	47.7836
2014-01-01	47.6228