Year Dollars 1997-01-01 99967 2004-01-01 254179 2005-01-01 193616 2006-01-01 199692 2009-01-01 253348 2010-01-01 118866 2011-01-01 332520 2012-01-01 173945 2013-01-01 112202 2014-01-01 1193395 2015-01-01 828593 2016-01-01 918843