Year	Percent
1999-01-01	245.96000000000000
2000-01-01	374.31500000000000
2001-01-01	349.10400000000004
2002-01-01	342.14000000000000
2003-01-01	326.75500000000000
2004-01-01	566.27900000000000
2005-01-01	404.01099999999997
2006-01-01	487.90300000000000
2007-01-01	400.94400000000000
2008-01-01	340.97100000000000
2009-01-01	14.52660000000000
2010-01-01	16.76110000000000
2011-01-01	15.80180000000000
2012-01-01	25.13890000000000
2013-01-01	33.88810000000000
2014-01-01	35.03880000000000
2015-01-01	33.52570000000000
2016-01-01	32.35330000000000