Year Dollars 1992-01-01 1001547 1997-01-01 1289798 2002-01-01 312990 2004-01-01 1822291 2006-01-01 241189 2008-01-01 3103741 2010-01-01 92945178 2012-01-01 12482331 2013-01-01 21923368 2014-01-01 35435135 2015-01-01 20535194 2016-01-01 9519511