Year Dollars 1997-01-01 1356301 2002-01-01 3791911 2003-01-01 4045242 2004-01-01 2435062 2005-01-01 2513803 2006-01-01 4671884 2007-01-01 3604168 2008-01-01 2669618 2009-01-01 5164723 2010-01-01 2695719 2011-01-01 3484619 2012-01-01 8853415 2013-01-01 4554586 2014-01-01 1530617 2015-01-01 2609971 2016-01-01 9148085