Year	Percent
1984-01-01	0.72128100000000010
1985-01-01	0.72299300000000000
1986-01-01	0.59873000000000000
1987-01-01	0.55766900000000000
1988-01-01	0.75952800000000000
1989-01-01	0.27860799999999997
1990-01-01	0.71154700000000000
1991-01-01	0.59502000000000000
1992-01-01	0.52259300000000000
1993-01-01	1.12162000000000000
1994-01-01	3.36905999999999970
1995-01-01	2.94835999999999960
1996-01-01	2.46939000000000000
1997-01-01	2.74917000000000000
1998-01-01	3.10626000000000000
1999-01-01	2.62594000000000000
2000-01-01	1.67113000000000000
2001-01-01	1.78500000000000000
2002-01-01	2.69110999999999970
2003-01-01	2.31014000000000000
2004-01-01	1.83150999999999970
2005-01-01	1.90337999999999980
2006-01-01	1.72807999999999980
2007-01-01	2.43655000000000000
2008-01-01	2.10473000000000000
2009-01-01	3.32545999999999960
2010-01-01	3.21342000000000000
2011-01-01	3.04993000000000000
2012-01-01	3.92240000000000000
2013-01-01	3.34508000000000030
2014-01-01	3.91198000000000020
2015-01-01	5.08536999999999900
2016-01-01	5.86691000000000000