Year Dollars 1992-01-01 878084 1997-01-01 1187694 2002-01-01 7638163 2003-01-01 6114071 2004-01-01 5411876 2005-01-01 5769144 2006-01-01 5870381 2007-01-01 5387858 2008-01-01 20184606 2009-01-01 15324104 2010-01-01 4131301 2011-01-01 6829099 2012-01-01 7004602 2013-01-01 5896210 2014-01-01 4449505 2015-01-01 6034722 2016-01-01 10213065