Year Dollars 1997-01-01 1125333 2002-01-01 616839 2003-01-01 2874504 2004-01-01 1618084 2005-01-01 1636074 2006-01-01 5382428 2007-01-01 2181788 2008-01-01 2815124 2009-01-01 870742 2010-01-01 2734209 2011-01-01 3609015 2012-01-01 5942647 2013-01-01 2824458 2014-01-01 3326528 2015-01-01 2942573 2016-01-01 2235306