Year Dollars 1992-01-01 17466 1997-01-01 244979 2002-01-01 21926 2003-01-01 72775 2005-01-01 24947 2008-01-01 499399 2009-01-01 456339 2010-01-01 264245 2011-01-01 183108 2013-01-01 373277 2014-01-01 390381 2015-01-01 141358 2016-01-01 159151