Year Dollars 1992-01-01 1615049 1997-01-01 350504 2002-01-01 2519351 2003-01-01 3142482 2004-01-01 2291430 2005-01-01 3214048 2007-01-01 2411299 2008-01-01 3471568 2009-01-01 1798473 2010-01-01 1600796 2011-01-01 2295254 2012-01-01 2000871 2013-01-01 576715 2014-01-01 392759 2015-01-01 350522 2016-01-01 192606