Year	Percent
1995-01-01	234.41099999999997
1996-01-01	186.34799999999998
1997-01-01	135.41700000000000
1998-01-01	138.42400000000000
1999-01-01	156.89600000000002
2000-01-01	151.78900000000000
2001-01-01	134.98200000000000
2002-01-01	127.04000000000000
2003-01-01	122.06400000000000
2004-01-01	111.58500000000000
2005-01-01	127.27500000000000
2006-01-01	144.38299999999998
2007-01-01	158.17100000000000
2008-01-01	182.86300000000000
2009-01-01	176.13299999999998
2010-01-01	146.17500000000000
2011-01-01	138.99200000000002
2012-01-01	141.48900000000000
2013-01-01	138.16000000000000
2014-01-01	139.11200000000000
2015-01-01	141.05300000000000
2016-01-01	140.61800000000000