Year Dollars 1992-01-01 4562661 1997-01-01 3873574 2002-01-01 790875 2003-01-01 1248127 2004-01-01 2026771 2005-01-01 5107866 2006-01-01 1086652 2007-01-01 1737854 2008-01-01 4365902 2009-01-01 1688435 2010-01-01 5994039 2011-01-01 8017177 2012-01-01 10415015 2013-01-01 8251615 2014-01-01 7198319 2015-01-01 7057680 2016-01-01 6001908