Year	Number
2007-01-01	24831494.36
2008-01-01	26151794.40
2009-01-01	27933613.59
2010-01-01	29489196.74
2011-01-01	30651814.18
2012-01-01	33194448.00
2013-01-01	34472118.00
2014-01-01	38053131.00
