Year Dollars 1997-01-01 1256346 2002-01-01 73621 2003-01-01 929108 2004-01-01 294710 2005-01-01 673813 2006-01-01 263299 2007-01-01 508711 2008-01-01 510599 2009-01-01 844351 2010-01-01 927867 2011-01-01 420764 2012-01-01 519016 2013-01-01 309332 2014-01-01 436767 2015-01-01 1543860 2016-01-01 587091