Year Dollars 1997-01-01 315804 2002-01-01 285317 2003-01-01 207014 2004-01-01 994689 2008-01-01 3103716 2009-01-01 1986240 2010-01-01 2820077 2011-01-01 2725811 2012-01-01 6340803 2013-01-01 5089629 2014-01-01 43729329 2015-01-01 5892011 2016-01-01 2997537