Year Dollars 1992-01-01 39184652 1997-01-01 56440039 2002-01-01 56574423 2003-01-01 58551696 2004-01-01 92395034 2005-01-01 117227579 2006-01-01 110354523 2007-01-01 146257376 2008-01-01 326189418 2009-01-01 245162003 2010-01-01 332916410 2011-01-01 359856275 2012-01-01 315983074 2013-01-01 261212209 2014-01-01 297710349 2015-01-01 233502472 2016-01-01 206922463