Year Dollars 1992-01-01 20122697 1997-01-01 21364683 2002-01-01 15997666 2003-01-01 14368910 2004-01-01 21902094 2005-01-01 32014197 2006-01-01 43763104 2007-01-01 77663190 2008-01-01 43169135 2009-01-01 94561020 2011-01-01 108107525 2012-01-01 44861608 2013-01-01 26127461 2014-01-01 16569342 2015-01-01 9784778 2016-01-01 6237116