Year	Percent
1992-01-01	5.4766400000000000000
1993-01-01	4.9410500000000000000
1994-01-01	4.2653099999999995000
1995-01-01	4.3426200000000000000
1996-01-01	4.2489500000000000000
1997-01-01	4.5467600000000000000
1998-01-01	4.4059400000000000000
1999-01-01	4.8652700000000000000
2000-01-01	4.6309400000000000000
2001-01-01	4.3017300000000000000
2002-01-01	5.6034100000000000000
2003-01-01	3.4218100000000000000
2004-01-01	3.0554799999999998000
2005-01-01	1.7944000000000000000
2006-01-01	1.5164600000000001000
2007-01-01	0.8341620000000001000
2008-01-01	0.3181030000000000000
2009-01-01	0.1574809999999999800
2010-01-01	0.1574809999999999800
2011-01-01	0.1574809999999999800
2012-01-01	0.1574809999999999800
2013-01-01	0.0016940000000000002
2014-01-01	0.0017130000000000000
2015-01-01	0.3854750000000000000
2016-01-01	0.3954450000000000000