Year Dollars 1997-01-01 469963 2002-01-01 1101916 2003-01-01 2362659 2004-01-01 260150 2005-01-01 884052 2006-01-01 1157056 2007-01-01 1488297 2008-01-01 4723926 2009-01-01 1663153 2010-01-01 1448582 2011-01-01 2905929 2012-01-01 1329118 2013-01-01 1309574 2014-01-01 929509 2015-01-01 2700781 2016-01-01 1458107