Year	Percent
1996-01-01	5.5380900000000000
1997-01-01	7.0266899999999990
1998-01-01	-17.2838000000000000
1999-01-01	-67.6890000000000000
2000-01-01	-38.7780000000000000
2001-01-01	1.1203299999999998
2002-01-01	5.5032300000000000
2003-01-01	18.8923000000000000
2004-01-01	25.6468000000000000
2005-01-01	17.8696000000000000
2006-01-01	17.0607000000000000
2007-01-01	19.0759000000000000
2008-01-01	23.7934000000000000
2009-01-01	19.7343000000000000
2010-01-01	18.3922000000000000
2011-01-01	19.7282000000000000
2012-01-01	16.6130000000000000
2013-01-01	12.5616000000000000
2014-01-01	20.1843000000000000
2015-01-01	11.1952000000000000
2016-01-01	17.6166000000000000
