Year Dollars 1997-01-01 40521 2002-01-01 982534 2003-01-01 1854119 2004-01-01 2279147 2005-01-01 1984042 2006-01-01 1865524 2007-01-01 959045 2008-01-01 2073920 2009-01-01 2014474 2010-01-01 1619394 2011-01-01 5117532 2012-01-01 4968726 2013-01-01 5074700 2014-01-01 3723743 2015-01-01 1979304 2016-01-01 3395162