Year Dollars 1992-01-01 50066 2002-01-01 47893 2004-01-01 207496 2006-01-01 219631 2007-01-01 1131705 2008-01-01 665926 2009-01-01 1443727 2010-01-01 2371554 2011-01-01 819216 2012-01-01 773282 2013-01-01 2002908 2014-01-01 1043415 2015-01-01 831626 2016-01-01 1341551