Year Dollars 1992-01-01 149714 1997-01-01 344354 2002-01-01 594656 2003-01-01 41848 2004-01-01 130634 2005-01-01 827828 2006-01-01 605689 2007-01-01 919637 2008-01-01 1179257 2009-01-01 2300667 2010-01-01 7564839 2011-01-01 6966163 2012-01-01 7947708 2013-01-01 7576705 2014-01-01 14954739 2015-01-01 7923425 2016-01-01 1862047