Year Number 2007-01-01 25416797.00 2008-01-01 26976906.90 2009-01-01 28559913.69 2010-01-01 30066529.50 2011-01-01 31225563.95 2012-01-01 33898560.00 2013-01-01 35211068.00 2014-01-01 38740120.00