Year Dollars 2003-01-01 23428 2005-01-01 177270 2007-01-01 451423 2008-01-01 567834 2009-01-01 125481 2010-01-01 107182 2011-01-01 160441 2012-01-01 28342 2013-01-01 250360 2014-01-01 209840 2015-01-01 133183 2016-01-01 156957