Year	Percent
1990-01-01	0.16823900000000000
1991-01-01	0.12982300000000000
1992-01-01	0.11766300000000002
1993-01-01	0.11766300000000002
1994-01-01	5.28865000000000000
1995-01-01	4.28459000000000100
1996-01-01	3.98955000000000000
1997-01-01	4.96173000000000000
1998-01-01	4.88737000000000000
1999-01-01	5.86798000000000000
2000-01-01	5.42570000000000000
2001-01-01	6.00248000000000000
2002-01-01	6.85120000000000000
2003-01-01	9.04428000000000000
2004-01-01	9.59654000000000000
2005-01-01	10.89750000000000000
2006-01-01	11.66500000000000000
2007-01-01	10.25020000000000000
2008-01-01	8.30530000000000000
2009-01-01	12.69450000000000000
2010-01-01	13.05960000000000000
2011-01-01	12.70740000000000000
2012-01-01	16.46060000000000000
2013-01-01	15.90000000000000000
2014-01-01	13.66080000000000000
2015-01-01	14.26860000000000000
2016-01-01	14.80740000000000000