Year	Percent
1998-01-01	1.07546000000000000
1999-01-01	1.17837000000000010
2000-01-01	1.36410000000000000
2001-01-01	1.28017999999999990
2002-01-01	1.03434000000000000
2003-01-01	0.96239700000000000
2004-01-01	1.14056000000000000
2005-01-01	0.82654500000000010
2006-01-01	0.87798099999999990
2007-01-01	0.98771400000000000
2008-01-01	0.90290800000000000
2009-01-01	0.92370599999999990
2010-01-01	-1.55612000000000020
2011-01-01	-0.66326100000000000
2012-01-01	-1.63333000000000000
2013-01-01	-0.09817600000000000
2014-01-01	-0.14139300000000002
2015-01-01	0.10662300000000000
2016-01-01	-0.30892200000000000