Year Dollars 1992-01-01 503337 1997-01-01 397055 2002-01-01 894217 2003-01-01 383888 2004-01-01 485444 2005-01-01 1425951 2006-01-01 524429 2007-01-01 1163058 2008-01-01 1278921 2009-01-01 882581 2010-01-01 1878865 2011-01-01 1906949 2012-01-01 2845416 2013-01-01 919253 2014-01-01 1407203 2015-01-01 1560538 2016-01-01 1603635