Year Dollars 1992-01-01 103030476 1997-01-01 161583560 2002-01-01 205063509 2003-01-01 119409601 2004-01-01 174644703 2005-01-01 221721608 2006-01-01 361303721 2007-01-01 645341307 2008-01-01 483266689 2009-01-01 388326827 2010-01-01 308273207 2011-01-01 433781955 2012-01-01 353749096 2013-01-01 584113124 2014-01-01 279183700 2015-01-01 305488248 2016-01-01 294103593