Year	Percent
1991-01-01	40.89920000000000
1992-01-01	46.88680000000000
1993-01-01	53.97340000000000
1994-01-01	56.91150000000000
1995-01-01	68.85250000000000
1996-01-01	70.90140000000000
1997-01-01	53.83090000000000
1998-01-01	52.12270000000000
1999-01-01	63.13230000000000
2000-01-01	55.02140000000000
2001-01-01	58.77850000000000
2002-01-01	65.23860000000000
2003-01-01	73.08710000000000
2004-01-01	82.40400000000000
2005-01-01	85.43200000000000
2006-01-01	88.50060000000000
2007-01-01	96.45050000000000
2008-01-01	117.40200000000000
2009-01-01	120.38500000000000
2010-01-01	88.72750000000000
2011-01-01	89.31460000000000
2012-01-01	102.19500000000000
2013-01-01	120.06299999999999
2014-01-01	130.63600000000000
2015-01-01	128.73600000000000
2016-01-01	119.97900000000000