Year	Percent
1996-01-01	17.23290
1997-01-01	14.03680
1998-01-01	10.07980
1999-01-01	-3.23011
2000-01-01	-3.23011
2001-01-01	160.34400
2002-01-01	28.17440
2003-01-01	17.10010
2004-01-01	93.94770
2005-01-01	18.12750
2006-01-01	28.73940
2007-01-01	42.82970
2008-01-01	26.47880
2009-01-01	23.79810
2010-01-01	18.83930
2011-01-01	10.75980
2012-01-01	16.98450
2013-01-01	15.99890
2014-01-01	16.01590
2015-01-01	14.13090
2016-01-01	12.66910