Year Dollars 1992-01-01 442835 1997-01-01 1413407 2002-01-01 3369639 2003-01-01 4110787 2004-01-01 2096980 2005-01-01 686417 2006-01-01 654345 2007-01-01 711552 2008-01-01 1174664 2009-01-01 708474 2010-01-01 1114177 2011-01-01 718366 2012-01-01 797427 2013-01-01 765079 2014-01-01 1006166 2015-01-01 923173 2016-01-01 994649