Year Dollars 1997-01-01 81620 2002-01-01 46048 2003-01-01 12663 2004-01-01 27610 2005-01-01 55789 2006-01-01 130318 2008-01-01 38638 2009-01-01 204305 2010-01-01 28780 2011-01-01 106297 2012-01-01 127443 2014-01-01 953961 2015-01-01 867373 2016-01-01 179924