Year Dollars 1997-01-01 1694300 2002-01-01 485654 2003-01-01 1773369 2004-01-01 1694473 2005-01-01 280159 2006-01-01 6547723 2007-01-01 1751547 2008-01-01 4590822 2009-01-01 3093619 2010-01-01 4521370 2011-01-01 679538 2012-01-01 7854296 2013-01-01 4467853 2014-01-01 3367719 2015-01-01 546877 2016-01-01 691981