Year Dollars 1992-01-01 153256 1997-01-01 328796 2002-01-01 1953800 2003-01-01 1693873 2004-01-01 1252852 2005-01-01 1410624 2006-01-01 3056359 2007-01-01 1601624 2008-01-01 4394123 2009-01-01 3149223 2010-01-01 2985387 2011-01-01 3961607 2012-01-01 3878819 2013-01-01 1579769 2014-01-01 2790836 2015-01-01 3570696 2016-01-01 1626981