Year	Percent
1995-01-01	157.09300000000000
1996-01-01	151.94200000000000
1997-01-01	115.05100000000000
1998-01-01	160.02000000000000
1999-01-01	83.05210000000000
2000-01-01	104.10300000000000
2001-01-01	73.38800000000000
2002-01-01	76.32680000000000
2003-01-01	57.11240000000000
2004-01-01	61.70300000000000
2005-01-01	83.30330000000000
2006-01-01	96.47620000000000
2007-01-01	139.61400000000000
2008-01-01	160.35399999999998
2009-01-01	123.94400000000000
2010-01-01	87.71810000000000
2011-01-01	85.42080000000000
2012-01-01	100.18200000000000
2013-01-01	86.90970000000000
2014-01-01	69.69350000000000
2015-01-01	71.71430000000000
2016-01-01	51.32860000000000