Year Dollars 2004-01-01 740591 2006-01-01 947008 2008-01-01 2501915 2009-01-01 1654240 2010-01-01 8587092 2011-01-01 4952004 2012-01-01 1589355 2013-01-01 1488311 2014-01-01 548684 2015-01-01 1100191 2016-01-01 1245306