Year	Percent
1997-01-01	4.2277200000000000
1998-01-01	10.3185000000000000
1999-01-01	9.0804300000000000
2000-01-01	4.8860600000000000
2001-01-01	-0.6297510000000001
2002-01-01	9.5412699999999990
2003-01-01	13.3484000000000000
2004-01-01	12.2342000000000000
2005-01-01	11.4661000000000000
2006-01-01	18.7702000000000000
2007-01-01	23.8129000000000000
2008-01-01	13.6334000000000000
2009-01-01	-53.1020000000000000
2010-01-01	-4.4561000000000000
2011-01-01	16.4748000000000000
2012-01-01	8.9106200000000000
2013-01-01	12.7738000000000000
2014-01-01	7.7560800000000000
2015-01-01	8.2083500000000000
2016-01-01	10.4267000000000000