Year Dollars 1992-01-01 2661179 1997-01-01 3526201 2002-01-01 8233475 2003-01-01 7899693 2004-01-01 20091341 2005-01-01 26030374 2006-01-01 4297838 2007-01-01 7644784 2008-01-01 6300424 2009-01-01 5074610 2010-01-01 3327395 2011-01-01 3241427 2012-01-01 3247320 2013-01-01 2715340 2014-01-01 2923543 2015-01-01 3968168 2016-01-01 7676995