Year	Percent
1996-01-01	5.17634
1997-01-01	14.28990
1998-01-01	14.93720
1999-01-01	19.09750
2000-01-01	19.82920
2001-01-01	27.97040
2002-01-01	26.24330
2003-01-01	36.10720
2004-01-01	49.89160
2005-01-01	37.21150
2006-01-01	42.17890
2007-01-01	41.41180
2008-01-01	54.36880
2009-01-01	49.35670
2010-01-01	48.68480
2011-01-01	46.99020
2012-01-01	37.37530
2013-01-01	37.65890
2014-01-01	34.23960
2015-01-01	50.52200
2016-01-01	48.68920