Year Dollars 1992-01-01 74278481 1997-01-01 205730474 2002-01-01 296073039 2003-01-01 421243838 2004-01-01 339117959 2005-01-01 264164286 2006-01-01 234932909 2007-01-01 178713327 2008-01-01 173012391 2009-01-01 121890909 2010-01-01 198317158 2011-01-01 224477060 2012-01-01 265567095 2013-01-01 339154992 2014-01-01 332855387 2015-01-01 329997236 2016-01-01 396903387