Year Dollars 2002-01-01 122382 2003-01-01 75364 2004-01-01 298020 2005-01-01 107628 2006-01-01 167419 2007-01-01 934606 2008-01-01 1213810 2009-01-01 5127235 2010-01-01 1151926 2011-01-01 668787 2015-01-01 855724