Year Dollars 1992-01-01 46864 1997-01-01 85350 2002-01-01 291927 2003-01-01 154009 2004-01-01 277830 2005-01-01 566143 2006-01-01 2980384 2007-01-01 119801 2008-01-01 278286 2009-01-01 471609 2010-01-01 234740 2011-01-01 74530 2012-01-01 116690 2013-01-01 480219 2014-01-01 251828 2015-01-01 265377 2016-01-01 234205