Year Dollars 1992-01-01 44012336 1997-01-01 98805261 2002-01-01 204252409 2003-01-01 151533782 2004-01-01 212501514 2005-01-01 255341861 2006-01-01 239869900 2007-01-01 431398791 2008-01-01 515860707 2009-01-01 232640361 2010-01-01 761593363 2011-01-01 539714272 2012-01-01 290765626 2013-01-01 229841084 2014-01-01 232199786 2015-01-01 263777320 2016-01-01 219204841