Year Dollars 1992-01-01 349612 1997-01-01 292971 2002-01-01 682113 2003-01-01 146592 2004-01-01 44838 2005-01-01 624535 2006-01-01 710371 2007-01-01 1313201 2008-01-01 697075 2009-01-01 527304 2010-01-01 1504532 2011-01-01 2009814 2012-01-01 1393281 2013-01-01 2122167 2014-01-01 3146309 2015-01-01 3116690 2016-01-01 1962186