Year Dollars 1997-01-01 11338 2004-01-01 75002 2005-01-01 15496 2008-01-01 77276 2009-01-01 65454 2010-01-01 192863 2012-01-01 38464 2013-01-01 49177 2014-01-01 31255 2015-01-01 108715