Year Dollars 1992-01-01 202826 2002-01-01 170283 2003-01-01 50878 2005-01-01 174952 2006-01-01 188587 2007-01-01 152282 2008-01-01 620959 2009-01-01 1390643 2010-01-01 843767 2011-01-01 559059 2012-01-01 1448644 2013-01-01 625509 2014-01-01 675126 2015-01-01 1448797 2016-01-01 447047