Year	Percent
1999-01-01	108.47500000000000
2000-01-01	140.33000000000000
2001-01-01	115.43500000000000
2002-01-01	104.38900000000000
2003-01-01	114.00200000000001
2004-01-01	115.99300000000000
2005-01-01	131.25500000000000
2006-01-01	158.72500000000000
2007-01-01	151.11900000000000
2008-01-01	95.75910000000000
2009-01-01	116.13700000000000
2010-01-01	115.22000000000000
2011-01-01	88.26630000000000
2012-01-01	127.31400000000000
2013-01-01	152.52400000000000
2014-01-01	147.73300000000000
2015-01-01	152.01300000000000
2016-01-01	140.00000000000000