Year	Number
2004-01-01	157.334157997409
2005-01-01	200.944857239730
2006-01-01	239.537493598337
2007-01-01	211.161572371792
2008-01-01	237.659731081402
2009-01-01	246.454788169340
2010-01-01	256.429801268714
2011-01-01	248.050358581176
2012-01-01	230.040720180715
2013-01-01	225.381710740576
2014-01-01	225.443678585062