Year	Percent
1990-01-01	1.1379800000000000
1991-01-01	1.2145000000000000
1992-01-01	1.3987399999999999
1993-01-01	1.5895800000000000
1994-01-01	1.8385099999999999
1995-01-01	1.8230700000000000
1996-01-01	1.5472400000000000
1997-01-01	1.3719500000000000
1998-01-01	1.4599000000000000
1999-01-01	1.0638200000000000
2000-01-01	0.6551279999999999
2001-01-01	0.8087370000000000
2002-01-01	1.0640500000000000
2003-01-01	1.0214299999999998
2004-01-01	0.9979809999999999
2005-01-01	0.9481590000000000
2006-01-01	1.6679200000000000
2007-01-01	1.0707200000000001
2008-01-01	0.5799770000000001
2009-01-01	0.9641879999999999
2010-01-01	0.7685840000000000
2011-01-01	0.6814650000000000
2012-01-01	0.7803200000000000
2013-01-01	0.9717969999999999
2014-01-01	1.2653000000000000
2015-01-01	2.0725200000000000