Year	Percent
1995-01-01	127.0520
1996-01-01	121.0270
1997-01-01	94.1396
1998-01-01	66.3018
1999-01-01	49.2861
2000-01-01	85.1537
2001-01-01	70.1924
2002-01-01	78.4961
2003-01-01	96.7787
2004-01-01	83.5941
2005-01-01	62.3554
2006-01-01	34.5406
2007-01-01	19.6130
2008-01-01	12.4012
2009-01-01	12.7538
2010-01-01	18.8876
2011-01-01	17.3129
2012-01-01	16.1334
2013-01-01	17.0568
2014-01-01	17.7399
2015-01-01	18.3851
2016-01-01	18.1651