Year	Percent
1998-01-01	53.8000
1999-01-01	57.4000
2000-01-01	134.9000
2001-01-01	134.9000
2002-01-01	197.2000
2003-01-01	263.8000
2004-01-01	322.1000
2005-01-01	221.3000
2006-01-01	237.6000
2007-01-01	193.4000
2008-01-01	74.0000
2009-01-01	61.8000
2010-01-01	65.7481
2011-01-01	56.8506
2012-01-01	68.3547
2013-01-01	56.8186
2014-01-01	57.7335
2015-01-01	43.9514
2016-01-01	42.4355