Year Dollars 1997-01-01 553267 2003-01-01 211748 2004-01-01 149982 2005-01-01 126779 2006-01-01 455538 2007-01-01 1366017 2010-01-01 1092749 2011-01-01 347880 2012-01-01 679928 2013-01-01 1275530 2014-01-01 710898 2015-01-01 425370 2016-01-01 823986