Year	Percent
1995-01-01	42.83990000000000
1996-01-01	38.53790000000000
1997-01-01	33.59100000000000
1998-01-01	42.09250000000000
1999-01-01	32.98670000000000
2000-01-01	34.40910000000000
2001-01-01	39.31000000000000
2002-01-01	43.15250000000000
2003-01-01	44.82940000000000
2004-01-01	37.11310000000000
2005-01-01	31.43020000000000
2006-01-01	58.06150000000000
2007-01-01	55.91180000000000
2008-01-01	55.40120000000000
2009-01-01	43.00530000000000
2010-01-01	109.34200000000001
2011-01-01	113.17200000000001
2012-01-01	98.32850000000000
2013-01-01	115.27000000000000
2014-01-01	69.38520000000000
2015-01-01	43.85780000000000
2016-01-01	26.18250000000000