Year	Percent
1992-01-01	39.940300000000000
1993-01-01	38.491100000000000
1994-01-01	22.068700000000000
1995-01-01	11.381600000000000
1996-01-01	20.683100000000000
1997-01-01	33.198200000000000
1998-01-01	50.228300000000000
1999-01-01	57.124200000000000
2000-01-01	55.219100000000000
2001-01-01	62.568999999999996
2002-01-01	73.931600000000000
2003-01-01	81.797700000000000
2004-01-01	82.934600000000000
2005-01-01	88.454100000000000
2006-01-01	101.639000000000000
2007-01-01	119.520000000000000
2008-01-01	138.837000000000020
2009-01-01	152.395000000000000
2010-01-01	153.421000000000000
2011-01-01	140.486000000000000
2012-01-01	139.935000000000000
2013-01-01	169.452000000000000
2014-01-01	194.080000000000000
2015-01-01	155.704000000000000
2016-01-01	125.292000000000000