Year Dollars 1992-01-01 307857 1997-01-01 129099 2002-01-01 134027 2003-01-01 226799 2004-01-01 289390 2005-01-01 587463 2006-01-01 737871 2007-01-01 970349 2008-01-01 1179693 2010-01-01 143542 2011-01-01 312332 2012-01-01 61658 2013-01-01 235160 2015-01-01 90344 2016-01-01 265211