Year Dollars 1992-01-01 5988457 1997-01-01 10907907 2002-01-01 22321079 2003-01-01 12481629 2004-01-01 24195389 2005-01-01 24838593 2006-01-01 26132501 2007-01-01 9001138 2008-01-01 5531633 2009-01-01 5336563 2010-01-01 9997374 2011-01-01 8072392 2012-01-01 7406964 2013-01-01 8594096 2014-01-01 13449124 2015-01-01 12206356 2016-01-01 11362336