Year Dollars 1992-01-01 449174 1997-01-01 1728874 2002-01-01 933329 2003-01-01 1868887 2004-01-01 493103 2005-01-01 3304225 2006-01-01 19972930 2007-01-01 8834677 2008-01-01 5928723 2009-01-01 7634290 2010-01-01 18687173 2011-01-01 13657826 2012-01-01 18833157 2013-01-01 70163190 2014-01-01 34471738 2015-01-01 47369784 2016-01-01 24697920