Year Dollars 1997-01-01 39056 2002-01-01 138294 2003-01-01 370950 2004-01-01 367605 2005-01-01 485463 2006-01-01 239342 2007-01-01 246308 2008-01-01 329848 2009-01-01 240966 2010-01-01 345164 2011-01-01 289151 2012-01-01 542295 2013-01-01 599667 2014-01-01 1187695 2015-01-01 804567 2016-01-01 818088