Year Dollars 1992-01-01 782907 1997-01-01 1935285 2002-01-01 2763553 2003-01-01 2372252 2004-01-01 3242336 2005-01-01 4402796 2006-01-01 10728698 2007-01-01 5302586 2008-01-01 7960174 2009-01-01 25073914 2010-01-01 10834732 2011-01-01 10722382 2012-01-01 9640693 2013-01-01 13084278 2015-01-01 21293065 2016-01-01 10715595