Year Dollars 1992-01-01 2578347 1997-01-01 2026582 2002-01-01 1010057 2003-01-01 1646532 2004-01-01 918606 2005-01-01 675216 2006-01-01 3178869 2007-01-01 2447907 2011-01-01 10502857 2013-01-01 5856527 2014-01-01 6427498 2015-01-01 24278457