Year	Percent
1995-01-01	12.946800000000000
1996-01-01	29.660700000000000
1997-01-01	43.048400000000000
1998-01-01	34.379900000000000
1999-01-01	39.074200000000000
2000-01-01	42.181000000000004
2001-01-01	36.918900000000000
2002-01-01	47.390800000000000
2003-01-01	40.079500000000000
2004-01-01	54.569200000000000
2005-01-01	33.757900000000000
2006-01-01	28.297800000000000
2007-01-01	40.134800000000000
2008-01-01	16.403800000000000
2009-01-01	35.184700000000000
2010-01-01	45.893100000000000
2011-01-01	46.564600000000000
2012-01-01	48.394200000000000
2013-01-01	41.398500000000000
2014-01-01	54.563200000000000
2015-01-01	36.928500000000000
2016-01-01	24.721100000000000