Year Dollars 1992-01-01 1155518 1997-01-01 409455 2002-01-01 2417675 2003-01-01 1566053 2004-01-01 8348499 2005-01-01 4882037 2006-01-01 674996 2007-01-01 4162305 2008-01-01 2403871 2009-01-01 1921021 2010-01-01 2173203 2012-01-01 1014764 2013-01-01 4379430 2016-01-01 957196