Year Dollars 1997-01-01 623923 2002-01-01 310842 2003-01-01 148216 2004-01-01 140521 2005-01-01 446337 2006-01-01 416810 2007-01-01 524235 2008-01-01 280166 2010-01-01 111092 2011-01-01 137984 2012-01-01 84469 2014-01-01 138598 2015-01-01 90956 2016-01-01 92490