Year	Number
2004-01-01	100
2005-01-01	104
2006-01-01	111
2007-01-01	128
2008-01-01	125
2009-01-01	146
2010-01-01	140
2011-01-01	140
2012-01-01	152
2013-01-01	153
2014-01-01	160
2015-01-01	163
2016-01-01	155