Year Dollars 1997-01-01 31066 2002-01-01 75266 2003-01-01 420938 2004-01-01 330313 2005-01-01 190937 2006-01-01 209851 2007-01-01 306713 2008-01-01 329187 2009-01-01 413237 2010-01-01 631945 2011-01-01 412811 2012-01-01 442507 2013-01-01 329925 2014-01-01 416246 2015-01-01 637538 2016-01-01 872675