Year	Percent
1996-01-01	58.0952
1997-01-01	60.8931
1998-01-01	59.0098
1999-01-01	62.1825
2000-01-01	85.7523
2001-01-01	42.8571
2002-01-01	42.8571
2003-01-01	42.8571
2004-01-01	29.8969
2005-01-01	43.5599
2006-01-01	44.5527
2007-01-01	32.8464
2008-01-01	32.6057
2009-01-01	37.0844
2010-01-01	39.3237
2011-01-01	40.7139
2012-01-01	37.5871
2013-01-01	43.9220
2014-01-01	41.1282