Year Dollars 1992-01-01 1348796 1997-01-01 64512 2002-01-01 514231 2003-01-01 93992 2004-01-01 971796 2005-01-01 566595 2006-01-01 468981 2008-01-01 1483508 2009-01-01 266545 2010-01-01 278011 2011-01-01 600920 2012-01-01 397631 2014-01-01 576124 2015-01-01 554503 2016-01-01 618092