Year	Percent
1995-01-01	189.53900000000002
1996-01-01	145.11900000000000
1997-01-01	116.71000000000000
1998-01-01	58.69500000000000
1999-01-01	83.46730000000000
2000-01-01	87.16250000000000
2001-01-01	88.35560000000000
2002-01-01	57.96640000000000
2003-01-01	48.33420000000000
2004-01-01	36.08780000000000
2005-01-01	38.00610000000000
2006-01-01	51.87910000000000
2007-01-01	52.24250000000000
2008-01-01	20.01790000000000
2009-01-01	23.98840000000000
2010-01-01	26.49880000000000
2011-01-01	23.15460000000000
2012-01-01	38.93790000000000
2013-01-01	36.64400000000000
2014-01-01	34.55230000000000
2015-01-01	40.16250000000000
2016-01-01	31.25560000000000