Year	Number
2004-01-01	11.718230960
2005-01-01	13.884712110
2006-01-01	12.597340170
2007-01-01	10.169036520
2008-01-01	13.216832660
2009-01-01	14.551042710
2010-01-01	16.655431350
2011-01-01	18.851768300
2012-01-01	19.894825320
2013-01-01	21.706152400
2014-01-01	0.036583175