Year Dollars 1992-01-01 792793 1997-01-01 2326323 2002-01-01 4804104 2003-01-01 6353570 2004-01-01 5178943 2006-01-01 12134368 2007-01-01 7752340 2008-01-01 16367672 2009-01-01 26736334 2010-01-01 10802305 2011-01-01 6501450 2012-01-01 8908799 2013-01-01 12925155 2014-01-01 8977140 2015-01-01 6686947 2016-01-01 6253693