Year Dollars 1992-01-01 1927213 1997-01-01 2439046 2002-01-01 3310666 2003-01-01 3451144 2004-01-01 4704394 2005-01-01 2599395 2008-01-01 6578634 2009-01-01 5234547 2010-01-01 5346710 2011-01-01 5139032 2012-01-01 2679353 2013-01-01 3953735 2014-01-01 3440583 2015-01-01 2752445 2016-01-01 2732863