Year Dollars 1992-01-01 597030 2003-01-01 267842 2004-01-01 736810 2005-01-01 576350 2006-01-01 728846 2007-01-01 564563 2008-01-01 557325 2009-01-01 1120887 2011-01-01 3757964 2012-01-01 2388774 2013-01-01 789448 2014-01-01 3856642 2015-01-01 920374 2016-01-01 490818