Year	Percent
1993-01-01	2.0600000000000000
1994-01-01	8.4780000000000000
1995-01-01	3.5204400000000002
1996-01-01	3.2894900000000002
1997-01-01	5.4812100000000000
1998-01-01	7.8000399999999990
1999-01-01	10.2573000000000000
2000-01-01	12.9149000000000000
2001-01-01	15.3878000000000000
2002-01-01	15.4042000000000000
2003-01-01	15.9468000000000000
2004-01-01	12.4067000000000000
2005-01-01	7.8884300000000005
2006-01-01	5.6258500000000000
2007-01-01	3.6177599999999996
2008-01-01	2.2762000000000000
2009-01-01	2.0300800000000000
2010-01-01	1.6257400000000000
2011-01-01	2.0584100000000000
2012-01-01	1.6961800000000000
2013-01-01	1.7466599999999999
2014-01-01	2.7564400000000000
2015-01-01	4.0527000000000000
2016-01-01	4.3707500000000000