Year	Percent
1993-01-01	5.808600000000000
1994-01-01	5.946120000000000
1995-01-01	4.831190000000000
1996-01-01	4.947080000000001
1997-01-01	4.590380000000001
1998-01-01	4.680440000000000
1999-01-01	6.008650000000000
2000-01-01	8.654160000000001
2001-01-01	10.895600000000000
2002-01-01	12.954200000000000
2003-01-01	13.906900000000000
2004-01-01	15.780200000000000
2005-01-01	18.193400000000000
2006-01-01	22.859300000000000
2007-01-01	26.180800000000000
2008-01-01	26.405000000000000
2009-01-01	30.939400000000000
2010-01-01	29.202400000000000
2011-01-01	26.109600000000000
2012-01-01	26.217500000000000
2013-01-01	25.485700000000000
2014-01-01	26.635100000000000
2015-01-01	31.361800000000000
2016-01-01	35.714800000000000