Year	Number
2004-01-01	137.4436551
2005-01-01	127.2589470
2006-01-01	131.3515512
2007-01-01	143.0979103
2008-01-01	158.9286903
2009-01-01	170.3223351
2010-01-01	170.6784407
2011-01-01	217.1985408
2012-01-01	223.9936551