Year Dollars 1992-01-01 193001247 1997-01-01 609185415 2002-01-01 328846030 2003-01-01 338239430 2004-01-01 463194736 2005-01-01 502433064 2006-01-01 491186268 2007-01-01 521694908 2008-01-01 875486150 2009-01-01 1334758677 2010-01-01 1108129669 2011-01-01 938345733 2012-01-01 626740182 2013-01-01 890712987 2014-01-01 978123733 2015-01-01 579316061 2016-01-01 671256759