Year	Percent
1999-01-01	172.1540000000000200
2000-01-01	197.6600000000000000
2001-01-01	197.3280000000000000
2002-01-01	113.2970000000000100
2003-01-01	238.2000000000000000
2004-01-01	199.5930000000000000
2005-01-01	238.7490000000000200
2006-01-01	2.1866300000000000
2007-01-01	4.1561900000000005
2008-01-01	1.4519900000000000
2009-01-01	1.7806200000000000
2010-01-01	1.9341599999999999
2011-01-01	1.7078500000000000
2012-01-01	2.0980300000000000
2013-01-01	2.3230700000000000
2014-01-01	2.5067300000000000
2015-01-01	2.6241000000000000
2016-01-01	2.2777800000000000