Year Dollars 1997-01-01 145762 2002-01-01 106314 2004-01-01 85497 2005-01-01 117792 2006-01-01 280274 2007-01-01 494843 2008-01-01 213700 2009-01-01 474986 2010-01-01 126363 2013-01-01 790871 2014-01-01 528674 2015-01-01 733220 2016-01-01 905243