Year Dollars 1997-01-01 661708 2003-01-01 4841028 2004-01-01 989560 2005-01-01 2868192 2006-01-01 3773869 2007-01-01 4728999 2008-01-01 5631628 2009-01-01 4348428 2010-01-01 3328914 2011-01-01 4876650 2012-01-01 2803714 2013-01-01 914710 2014-01-01 1284745 2016-01-01 3059640