Year	Number
2004-01-01	34987
2005-01-01	57350
2006-01-01	48021
2007-01-01	72782
2008-01-01	76012
2009-01-01	99638
2010-01-01	85438
2011-01-01	57847
2012-01-01	63042
2013-01-01	63402
2014-01-01	59489