Year Dollars 1997-01-01 145276 2002-01-01 113229 2003-01-01 402647 2004-01-01 962304 2005-01-01 671397 2006-01-01 738537 2007-01-01 1605415 2008-01-01 889773 2009-01-01 296280 2010-01-01 578162 2011-01-01 532070 2012-01-01 1154903 2013-01-01 952290 2014-01-01 1576119 2015-01-01 2710087 2016-01-01 2200418