Year Dollars 1997-01-01 52850 2003-01-01 1975426 2004-01-01 1925099 2006-01-01 5644097 2007-01-01 4397621 2008-01-01 3094889 2009-01-01 1391537 2010-01-01 498412 2012-01-01 68793