Year Dollars 1997-01-01 185993 2002-01-01 79328 2003-01-01 172547 2004-01-01 61298 2005-01-01 122044 2006-01-01 121393 2007-01-01 34443 2008-01-01 109347 2009-01-01 900991 2010-01-01 1370189 2011-01-01 297567 2013-01-01 471020 2015-01-01 6552562