Year	Percent
1999-01-01	162.349000000000000
2000-01-01	162.786000000000000
2001-01-01	99.063700000000000
2002-01-01	63.895900000000000
2003-01-01	60.395400000000000
2004-01-01	52.330600000000000
2005-01-01	58.676000000000000
2006-01-01	71.493400000000000
2007-01-01	90.029000000000000
2008-01-01	34.172000000000000
2009-01-01	41.375100000000000
2010-01-01	39.304500000000000
2011-01-01	24.436999999999998
2012-01-01	32.532700000000000
2013-01-01	42.014500000000000
2014-01-01	40.614000000000004
2015-01-01	47.512500000000000
2016-01-01	49.638999999999996