Year Dollars 1992-01-01 1342101 1997-01-01 1762183 2002-01-01 2783717 2003-01-01 1352001 2004-01-01 1936396 2005-01-01 4107751 2006-01-01 4369872 2007-01-01 7182121 2008-01-01 60466515 2009-01-01 47075688 2010-01-01 13317910 2011-01-01 33654173 2012-01-01 23012455 2013-01-01 11471492 2014-01-01 23131127 2015-01-01 11027822 2016-01-01 22885773