Year Dollars 1997-01-01 610818 2002-01-01 922784 2003-01-01 301162 2004-01-01 379207 2005-01-01 271683 2006-01-01 317585 2007-01-01 946361 2008-01-01 540354 2009-01-01 599862 2010-01-01 8114023 2011-01-01 1139556 2012-01-01 5016734 2015-01-01 5419727 2016-01-01 3787103