Year Dollars 1997-01-01 156275 2004-01-01 2148120 2005-01-01 1436856 2006-01-01 1547787 2007-01-01 1324066 2008-01-01 828790 2009-01-01 635957 2010-01-01 835704 2012-01-01 967003 2013-01-01 260387 2014-01-01 697260 2015-01-01 2378003 2016-01-01 371283