Year	Percent
1987-01-01	0.000000000000000000
1988-01-01	0.124367000000000000
1989-01-01	0.204900000000000000
1990-01-01	0.254583000000000000
1991-01-01	0.072680000000000000
1992-01-01	0.021825999999999998
1993-01-01	0.122505999999999990
1994-01-01	0.368759000000000000
1995-01-01	0.063111000000000000
1996-01-01	0.063111000000000000
1997-01-01	0.063111000000000000
1998-01-01	0.063111000000000000
1999-01-01	0.063111000000000000
2000-01-01	0.125159000000000000
2001-01-01	0.073873000000000010
2002-01-01	0.046909000000000000
2003-01-01	0.402655000000000040
2004-01-01	0.420204000000000000
2005-01-01	0.303689000000000000
2006-01-01	0.335375000000000000
2007-01-01	0.342737000000000000
2008-01-01	0.318248000000000000
2009-01-01	0.432189999999999960
2010-01-01	0.300954000000000000
2011-01-01	0.247430000000000000
2012-01-01	0.658989000000000000
2013-01-01	0.397984000000000000
2014-01-01	0.403794999999999960