Year	Number
2004-01-01	113.6676
2005-01-01	115.1665
2006-01-01	116.8759
2007-01-01	120.7535
2008-01-01	124.6872
2009-01-01	127.1267
2010-01-01	130.9384
2011-01-01	123.1586
2012-01-01	144.1005
2013-01-01	156.8344
2014-01-01	177.5452
2015-01-01	198.9180
2016-01-01	251.6347