Year	Percent
1995-01-01	35.0842639125000
1996-01-01	34.0433829925000
1997-01-01	33.8169461050000
1998-01-01	33.2746017775000
1999-01-01	32.5024174275000
2000-01-01	32.3831072525000
2001-01-01	31.7551876350000
2002-01-01	29.7345759925000
2003-01-01	29.2538416575000
2004-01-01	29.7306951600000
2005-01-01	30.4285262925000
2006-01-01	30.4948118800000
2007-01-01	30.7198966150000
2008-01-01	30.0747616150000
2009-01-01	29.1462270600000
2010-01-01	28.9398552350000
2011-01-01	28.0380439150000
2012-01-01	50.3750000000000
2013-01-01	50.9833333333333
2014-01-01	50.8500000000000
2015-01-01	49.8916666666667
2016-01-01	48.9666666666667
2017-01-01	48.5416666666667