Year	Number
2004-01-01	106.6409
2005-01-01	106.9918
2006-01-01	105.5466
2007-01-01	105.9520
2008-01-01	107.3138
2009-01-01	107.0651
2010-01-01	105.6272
2011-01-01	106.0345
2012-01-01	100.6971
2013-01-01	97.8628
2014-01-01	105.2029
2015-01-01	108.3316
2016-01-01	110.6165
2017-01-01	118.6203