Year Dollars 1992-01-01 461584 1997-01-01 920582 2002-01-01 730068 2003-01-01 9160452 2004-01-01 462040 2005-01-01 2693107 2006-01-01 864360 2007-01-01 4688087 2008-01-01 16174338 2009-01-01 2164089 2011-01-01 7795810 2012-01-01 11001022 2013-01-01 452412590 2014-01-01 41863421 2015-01-01 39646776 2016-01-01 27124215