Year	Percent
1996-01-01	65.022700000000000
1997-01-01	55.948800000000000
1998-01-01	112.632000000000000
1999-01-01	80.920000000000000
2000-01-01	67.808000000000000
2001-01-01	55.243000000000000
2002-01-01	62.630200000000000
2003-01-01	53.778500000000000
2004-01-01	51.760400000000000
2005-01-01	59.082500000000000
2006-01-01	46.123999999999995
2007-01-01	38.036200000000000
2008-01-01	42.305700000000000
2009-01-01	47.663600000000000
2010-01-01	46.636200000000000
2011-01-01	26.771300000000000
2012-01-01	45.839000000000000
2013-01-01	37.039400000000000
2014-01-01	39.553000000000004