Year	Percent
1991-01-01	0.11942900000000000
1992-01-01	0.13507500000000000
1993-01-01	0.17928900000000000
1994-01-01	0.59027000000000000
1995-01-01	0.75576499999999990
1996-01-01	0.52260699999999990
1997-01-01	0.64020800000000000
1998-01-01	0.61365700000000000
1999-01-01	0.44973199999999997
2000-01-01	0.33201800000000000
2001-01-01	0.29447900000000000
2002-01-01	0.29080100000000003
2003-01-01	0.80406300000000000
2004-01-01	1.49731000000000010
2005-01-01	2.14457000000000000
2006-01-01	3.69240000000000000
2007-01-01	4.09249000000000000
2008-01-01	2.79939000000000030
2009-01-01	1.18372000000000000
2010-01-01	1.20941000000000000
2011-01-01	1.95277000000000010
2012-01-01	1.96377999999999990
2013-01-01	2.53219000000000000
2014-01-01	2.30499000000000000
2015-01-01	1.25704000000000000
2016-01-01	1.03739000000000000