Year	Percent
1996-01-01	4.5454500000000000
1997-01-01	3.2183900000000003
1998-01-01	3.2183900000000003
1999-01-01	37.4065000000000000
2000-01-01	20.6100000000000000
2001-01-01	56.7568000000000000
2002-01-01	56.7568000000000000
2003-01-01	56.7568000000000000
2004-01-01	60.1388000000000000
2005-01-01	31.5365000000000000
2006-01-01	28.8272000000000000
2007-01-01	75.0562000000000000
2008-01-01	38.8693000000000000
2009-01-01	92.2294000000000000
2010-01-01	43.6840000000000000
2011-01-01	21.0027000000000000
2012-01-01	34.0381000000000000
2013-01-01	39.7533000000000000
2014-01-01	40.2923000000000000