Year	Percent
1993-01-01	8.514020000000000
1994-01-01	9.130270000000000
1995-01-01	8.457200000000000
1996-01-01	9.237160000000001
1997-01-01	9.408389999999999
1998-01-01	9.450840000000000
1999-01-01	10.322400000000000
2000-01-01	12.830400000000000
2001-01-01	14.663400000000000
2002-01-01	16.861700000000000
2003-01-01	18.233800000000000
2004-01-01	21.948900000000000
2005-01-01	24.301100000000000
2006-01-01	28.019800000000000
2007-01-01	31.611000000000000
2008-01-01	34.108700000000000
2009-01-01	40.552100000000000
2010-01-01	36.808900000000000
2011-01-01	32.685000000000000
2012-01-01	32.652000000000000
2013-01-01	30.821400000000000
2014-01-01	31.022700000000000
2015-01-01	31.976000000000000
2016-01-01	33.196100000000000