Year Dollars 1992-01-01 951089 1997-01-01 86625 2002-01-01 1973570 2003-01-01 4639284 2004-01-01 1272712 2006-01-01 2590759 2007-01-01 7785698 2008-01-01 9628971 2009-01-01 9723898 2010-01-01 20917849 2011-01-01 16963470 2012-01-01 8130984 2013-01-01 8803174 2014-01-01 13953665 2015-01-01 8307198 2016-01-01 9991249