Year	Percent
2001-01-01	-2.8155900000000003
2002-01-01	2.5959500000000000
2003-01-01	2.0607800000000000
2004-01-01	1.8946200000000000
2005-01-01	3.0309000000000000
2006-01-01	3.8871400000000000
2007-01-01	3.8022300000000000
2008-01-01	3.2791400000000000
2009-01-01	1.5603300000000000
2010-01-01	1.5252900000000000
2011-01-01	2.2041500000000000
2012-01-01	2.3413000000000000
2013-01-01	2.2143000000000000
2014-01-01	2.1748700000000000
2015-01-01	2.3376400000000000
2016-01-01	1.9223500000000000