Year Dollars 1997-01-01 168083 2002-01-01 32340 2005-01-01 96426 2006-01-01 1086509 2007-01-01 1999909 2008-01-01 775692 2009-01-01 1221313 2010-01-01 3852583 2011-01-01 10713906 2013-01-01 8546821 2014-01-01 2851562 2015-01-01 993162 2016-01-01 1065571