Year	Percent
1980-01-01	12.058023572185600
1981-01-01	5.717367853741170
1982-01-01	-2.410714285723460
1983-01-01	0.901842896356882
1984-01-01	1.884715025784260
1985-01-01	2.128902988480730
1986-01-01	18.147633450986000
1987-01-01	4.089116446412130
2001-01-01	1.746652249854320
2002-01-01	0.637619553666345
2003-01-01	1.981967346275420
2004-01-01	3.122262046993540
2005-01-01	3.104966401483000
2006-01-01	3.483406996778660
2007-01-01	4.965976545533000
2008-01-01	11.958620689655200
2009-01-01	1.675495872859620
2010-01-01	3.950078759238860
2011-01-01	5.068713947779840
2012-01-01	3.731209507568870
2013-01-01	2.706032428721860
2014-01-01	1.341864943401560
2015-01-01	-0.847389733971994
2016-01-01	2.738412087387610
2017-01-01	0.568112117084679