Year	Percent
1999-01-01	39.0000
2000-01-01	41.0000
2001-01-01	37.6000
2002-01-01	38.1000
2003-01-01	53.1000
2004-01-01	55.0000
2005-01-01	30.0000
2006-01-01	33.8000
2007-01-01	63.2000
2008-01-01	43.3000
2009-01-01	45.1000
2010-01-01	31.9639
2011-01-01	31.9786
2012-01-01	33.0860
2013-01-01	30.1208
2014-01-01	28.3626
2015-01-01	27.6738
2016-01-01	26.7789