Year Dollars 1992-01-01 4903547 1997-01-01 8050864 2002-01-01 36532178 2003-01-01 50446163 2004-01-01 54854402 2005-01-01 33269720 2006-01-01 26777749 2007-01-01 10308978 2008-01-01 10394054 2009-01-01 8376730 2010-01-01 9583889 2011-01-01 8953869 2012-01-01 6769849 2013-01-01 7831590 2014-01-01 12576250 2015-01-01 11592983 2016-01-01 11602643