Year Dollars 1997-01-01 46500 2002-01-01 1583480 2005-01-01 2074264 2006-01-01 1464521 2007-01-01 1591408 2008-01-01 705441 2009-01-01 186303 2010-01-01 336034 2011-01-01 500196 2012-01-01 381692 2013-01-01 708235 2014-01-01 1343687 2015-01-01 2338179 2016-01-01 804467