Year Dollars 1997-01-01 173669 2004-01-01 443827 2005-01-01 33752 2007-01-01 59526 2009-01-01 205001 2011-01-01 357422 2012-01-01 267022 2013-01-01 529764 2014-01-01 208965 2015-01-01 101369 2016-01-01 779518