Year Dollars 1992-01-01 689639 1997-01-01 1018403 2002-01-01 2629597 2003-01-01 2018588 2004-01-01 761960 2005-01-01 1072167 2006-01-01 1270241 2007-01-01 2065817 2008-01-01 2707009 2009-01-01 4744390 2010-01-01 2302418 2011-01-01 5025605 2012-01-01 31733072 2013-01-01 13593656 2014-01-01 3869598 2015-01-01 38564069 2016-01-01 5528920