Year	Percent
2000-01-01	80.43260000000000
2001-01-01	60.70260000000000
2002-01-01	47.66460000000000
2003-01-01	71.68400000000000
2004-01-01	84.80520000000000
2005-01-01	92.28890000000000
2006-01-01	128.07500000000000
2007-01-01	204.92900000000000
2008-01-01	97.81580000000000
2009-01-01	152.37000000000000
2010-01-01	172.93599999999998
2011-01-01	132.78000000000000
2012-01-01	171.36100000000000
2013-01-01	176.99900000000002
2014-01-01	167.73400000000000
2015-01-01	135.67900000000000
2016-01-01	121.71700000000001