Year	Percent
1995-01-01	45.9435781650000
1996-01-01	46.3460360075000
1997-01-01	46.4812476850000
1998-01-01	46.5966968425000
1999-01-01	46.1979240200000
2000-01-01	45.7299165275000
2001-01-01	45.7334240075000
2002-01-01	45.8875809200000
2003-01-01	45.5339872050000
2004-01-01	45.0667902950000
2005-01-01	44.7962958650000
2006-01-01	44.3969860025000
2007-01-01	43.7269807050000
2008-01-01	43.4919200925000
2009-01-01	43.0818221625000
2010-01-01	42.6631714525000
2011-01-01	42.6272398450000
2012-01-01	36.4333333333333
2013-01-01	36.3000000000000
2014-01-01	35.7916666666667
2015-01-01	35.9250000000000
2016-01-01	35.8666666666667
2017-01-01	35.9833333333333