Year Dollars 1992-01-01 446021 1997-01-01 1010808 2002-01-01 494813 2003-01-01 341623 2004-01-01 236736 2005-01-01 365320 2006-01-01 582815 2007-01-01 479864 2008-01-01 828994 2009-01-01 437715 2010-01-01 1899638 2011-01-01 2849363 2012-01-01 2887638 2013-01-01 2544626 2014-01-01 2894515 2015-01-01 2434105 2016-01-01 2360344