Year	Number
2004-01-01	1418
2005-01-01	4638
2006-01-01	5797
2007-01-01	11184.000
2008-01-01	12776.000
2009-01-01	17226.000
2010-01-01	21874.000
2011-01-01	24371.000
2012-01-01	16253.000
2013-01-01	70626.000
2014-01-01	104197.001
2015-01-01	125359.000