Year Dollars 1997-01-01 972732 2003-01-01 301370 2004-01-01 48878 2006-01-01 91412 2007-01-01 392465 2008-01-01 144267 2009-01-01 92488 2010-01-01 185261 2011-01-01 130698 2012-01-01 1378323 2013-01-01 2560168 2014-01-01 733692 2015-01-01 758631 2016-01-01 396185