Year Dollars 1992-01-01 257558 1997-01-01 462513 2003-01-01 699269 2004-01-01 349354 2006-01-01 718354 2007-01-01 1062245 2008-01-01 966525 2009-01-01 263994 2010-01-01 231087 2011-01-01 150753 2012-01-01 461011 2013-01-01 363705 2014-01-01 188984 2015-01-01 253692 2016-01-01 195157