Year	Percent
1995-01-01	30.5952960900000
1996-01-01	29.9420438575000
1997-01-01	29.1070743225000
1998-01-01	27.7999719750000
1999-01-01	27.2654703025000
2000-01-01	26.8545541825000
2001-01-01	25.9031864350000
2002-01-01	23.5095966075000
2003-01-01	22.7647872000000
2004-01-01	23.8690397050000
2005-01-01	25.2689008600000
2006-01-01	25.2223180575000
2007-01-01	26.1013497925000
2008-01-01	26.5062131000000
2009-01-01	24.5752320725000
2010-01-01	24.7338135075000
2011-01-01	25.7139958075000
2012-01-01	44.5333333333333
2013-01-01	45.6666666666667
2014-01-01	45.7083333333333
2015-01-01	45.4416666666667
2016-01-01	44.9333333333333
2017-01-01	45.2750000000000