Year	Percent
1995-01-01	48.37490000000000
1996-01-01	43.12960000000000
1997-01-01	48.19250000000000
1998-01-01	48.19250000000000
1999-01-01	40.95400000000000
2000-01-01	41.30710000000000
2001-01-01	60.26460000000000
2002-01-01	64.64380000000000
2003-01-01	62.98910000000000
2004-01-01	64.65950000000000
2005-01-01	59.22610000000000
2006-01-01	79.73870000000000
2007-01-01	93.07600000000001
2008-01-01	66.05630000000000
2009-01-01	53.43320000000000
2010-01-01	38.21520000000000
2011-01-01	42.00130000000000
2012-01-01	36.31700000000000
2013-01-01	35.11270000000000
2014-01-01	37.12140000000000
2015-01-01	38.51570000000000
2016-01-01	34.25080000000000