Year	Percent
1999-01-01	218.08700000000002
2000-01-01	189.86700000000002
2001-01-01	189.86700000000002
2002-01-01	189.86700000000002
2003-01-01	189.86700000000002
2004-01-01	75.85920000000000
2005-01-01	89.56040000000000
2006-01-01	136.20700000000000
2007-01-01	71.76720000000000
2008-01-01	56.33680000000000
2009-01-01	53.89890000000000
2010-01-01	60.71430000000000
2011-01-01	102.60900000000000
2012-01-01	85.91070000000000
2013-01-01	81.49400000000000
2014-01-01	72.28070000000000