Year Dollars 1992-01-01 3481451 1997-01-01 8923815 2002-01-01 4724451 2003-01-01 6264620 2004-01-01 6213414 2005-01-01 6667288 2006-01-01 8104711 2007-01-01 5359414 2008-01-01 1053546 2009-01-01 1593152 2010-01-01 3502229 2011-01-01 5329093 2012-01-01 1524772 2013-01-01 817494 2014-01-01 2145961 2015-01-01 3712578 2016-01-01 3550579