Year Dollars 1997-01-01 101092 2004-01-01 46845 2007-01-01 23661 2008-01-01 71999 2009-01-01 30635 2010-01-01 249917 2011-01-01 92319 2012-01-01 74388 2013-01-01 190552 2014-01-01 108793 2015-01-01 178026 2016-01-01 123433