Year	Percent
1986-01-01	2.699999999999870
1987-01-01	2.726387536514140
1988-01-01	2.369668246445480
1989-01-01	6.388888888888790
1990-01-01	23.800000000000300
1991-01-01	338.449111470112000
1992-01-01	91.297932726930400
1993-01-01	72.878791386633300
1994-01-01	96.057338268650400
1995-01-01	62.054833683799300
1996-01-01	121.607542449250000
1997-01-01	1058.373559219730000
1998-01-01	18.672204442064100
1999-01-01	2.573042818902040
2000-01-01	10.316262128998900
2001-01-01	7.360939272318490
2002-01-01	5.810143657218230
2003-01-01	2.348641695827550
2004-01-01	6.147130742462700
2005-01-01	5.038838071119070
2006-01-01	7.261594627699470
2007-01-01	8.402534190058940
2008-01-01	12.348719599402100
2009-01-01	2.753202239148160
2010-01-01	2.438990605041170
2011-01-01	4.219903466018750
2012-01-01	2.954568298310170
2013-01-01	0.890093540913032
2014-01-01	-1.418183802648420
2015-01-01	-0.104633261008417
2016-01-01	-0.798749090253956
2017-01-01	2.064355063125280