Year Dollars 2004-01-01 181216 2005-01-01 416824 2006-01-01 919399 2007-01-01 402832 2008-01-01 1741515 2009-01-01 97285 2012-01-01 638048 2013-01-01 1683905 2015-01-01 960910 2016-01-01 347817