Year Dollars 1992-01-01 405603 1997-01-01 1970652 2002-01-01 858699 2003-01-01 648967 2004-01-01 1251654 2005-01-01 2062508 2006-01-01 6052275 2007-01-01 3944288 2008-01-01 2379062 2009-01-01 3936184 2010-01-01 1874179 2011-01-01 4881308 2012-01-01 3581052 2013-01-01 3660713 2014-01-01 12154034 2015-01-01 7921581 2016-01-01 12863365