Year Dollars 1992-01-01 968922 1997-01-01 967617 2002-01-01 992649 2003-01-01 1956637 2004-01-01 829298 2005-01-01 790519 2006-01-01 799644 2007-01-01 476438 2008-01-01 765361 2009-01-01 520687 2010-01-01 628317 2011-01-01 1342279 2012-01-01 1347324 2013-01-01 1333965 2014-01-01 2282740 2015-01-01 2660432 2016-01-01 2220660