Year Dollars 1992-01-01 317895 1997-01-01 319846 2002-01-01 308118 2003-01-01 267469 2004-01-01 235165 2005-01-01 549582 2006-01-01 996230 2007-01-01 302224 2008-01-01 377162 2009-01-01 371020 2010-01-01 511869 2011-01-01 299815 2012-01-01 365731 2013-01-01 342549 2014-01-01 369290 2015-01-01 372878 2016-01-01 280263