Year Dollars 1997-01-01 191670 2003-01-01 231513 2004-01-01 392462 2005-01-01 320018 2006-01-01 224852 2007-01-01 480682 2008-01-01 1241656 2009-01-01 2416842 2010-01-01 656703 2011-01-01 1346571 2012-01-01 2654938 2013-01-01 1627536 2016-01-01 1013079