Year Dollars 1992-01-01 1733570 1997-01-01 1784690 2002-01-01 2530722 2003-01-01 2303829 2004-01-01 3977401 2005-01-01 3243729 2006-01-01 5433675 2007-01-01 19422458 2008-01-01 5487612 2009-01-01 8305182 2010-01-01 4569457 2011-01-01 6980877 2012-01-01 4817147 2013-01-01 3809855 2014-01-01 11325732 2015-01-01 4381713 2016-01-01 4067308