Year Dollars 1992-01-01 3938065 1997-01-01 781359 2002-01-01 1002948 2003-01-01 2235882 2004-01-01 7815428 2005-01-01 11493119 2006-01-01 5579335 2007-01-01 3754702 2008-01-01 11138589 2009-01-01 4428519 2010-01-01 30448104 2011-01-01 43509778 2012-01-01 23171856 2013-01-01 80156371 2014-01-01 18022727 2015-01-01 25317279 2016-01-01 29797673