Year	Number
2004-01-01	104.3429
2005-01-01	103.8628
2006-01-01	103.2867
2007-01-01	102.8669
2008-01-01	102.8532
2009-01-01	102.8258
2010-01-01	102.9406
2011-01-01	103.0572
2012-01-01	103.1161
2013-01-01	102.9433
2014-01-01	102.8637
2015-01-01	103.5989
2016-01-01	103.4343
2017-01-01	103.0859