Year	Percent
1994-01-01	3.0804400000000003
1995-01-01	1.0235299999999998
1996-01-01	1.6396900000000000
1997-01-01	7.9217500000000000
1998-01-01	14.3244000000000000
1999-01-01	15.6685000000000000
2000-01-01	14.2573000000000000
2001-01-01	14.2573000000000000
2002-01-01	14.2573000000000000
2003-01-01	14.2573000000000000
2004-01-01	19.3335000000000000
2005-01-01	22.9780000000000000
2006-01-01	23.1625000000000000
2007-01-01	24.7173000000000000
2008-01-01	19.9485000000000000
2009-01-01	24.2544000000000000
2010-01-01	21.8123000000000000
2011-01-01	16.9195000000000000
2012-01-01	18.2048000000000000
2013-01-01	17.8789000000000000
2014-01-01	16.1310000000000000
2015-01-01	17.7577000000000000
2016-01-01	17.5355000000000000