Year Dollars 1997-01-01 206260 2003-01-01 21780 2007-01-01 65716 2008-01-01 249807 2009-01-01 113352 2010-01-01 337696 2011-01-01 200335 2012-01-01 1960041 2014-01-01 1306533 2015-01-01 999565 2016-01-01 677758