Year Dollars 2004-01-01 21769 2007-01-01 345598 2008-01-01 727727 2009-01-01 397324 2010-01-01 812912 2011-01-01 2226580 2012-01-01 1719061 2013-01-01 677435 2014-01-01 1477713 2015-01-01 1047621 2016-01-01 627868