Year Dollars 1997-01-01 44182 2002-01-01 205354 2004-01-01 25227 2005-01-01 147349 2006-01-01 134669 2007-01-01 38156 2009-01-01 95495 2010-01-01 123697 2011-01-01 1487751 2013-01-01 562485 2014-01-01 74043 2015-01-01 145942 2016-01-01 37186