Year Dollars 1992-01-01 27003414 1997-01-01 17283852 2002-01-01 15724458 2003-01-01 10445509 2004-01-01 12849879 2005-01-01 16465014 2006-01-01 31754527 2007-01-01 21142094 2008-01-01 64412545 2009-01-01 29144123 2010-01-01 13954561 2011-01-01 15648375 2012-01-01 45048132 2013-01-01 19126253 2014-01-01 27386734 2015-01-01 10125668 2016-01-01 6545165