Year Dollars 1992-01-01 1927937 1997-01-01 1472565 2002-01-01 405399 2003-01-01 1060761 2004-01-01 1072627 2005-01-01 6219154 2006-01-01 8990684 2007-01-01 12460550 2008-01-01 25037538 2013-01-01 14640766 2014-01-01 16812391 2016-01-01 3258040