Year	Percent
1995-01-01	22.8123000000000000
1996-01-01	20.5056000000000000
1997-01-01	18.6340000000000000
1998-01-01	16.1687000000000000
1999-01-01	13.4801000000000000
2000-01-01	8.6433699999999990
2001-01-01	9.4553600000000000
2002-01-01	7.5791300000000000
2003-01-01	7.0060600000000010
2004-01-01	9.7660400000000000
2005-01-01	10.2278000000000000
2006-01-01	11.0771000000000000
2007-01-01	8.3178500000000000
2008-01-01	6.1516400000000000
2009-01-01	7.3942700000000000
2010-01-01	4.8694800000000000
2011-01-01	3.2835699999999997
2012-01-01	4.5306600000000000
2013-01-01	3.5608500000000000
2014-01-01	1.8643500000000000
2015-01-01	1.9162599999999999
2016-01-01	1.1390700000000000