Year	Percent
1993-01-01	2.3654800000000000
1994-01-01	3.2946100000000000
1995-01-01	3.0850000000000000
1996-01-01	3.9325099999999997
1997-01-01	5.1735500000000000
1998-01-01	5.6192100000000000
1999-01-01	5.2922100000000000
2000-01-01	5.8846900000000000
2001-01-01	5.8491100000000000
2002-01-01	6.0077500000000000
2003-01-01	6.4822700000000000
2004-01-01	7.6583100000000000
2005-01-01	8.2312700000000000
2006-01-01	9.8668400000000000
2007-01-01	13.9033000000000000
2008-01-01	21.0133000000000000
2009-01-01	23.7877000000000000
2010-01-01	25.0145000000000000
2011-01-01	26.9417000000000000
2012-01-01	32.5269000000000000
2013-01-01	43.7335000000000000
2014-01-01	55.3995000000000000
2015-01-01	65.6734000000000000
2016-01-01	73.8008000000000000