Year Dollars 1997-01-01 99427 2002-01-01 394889 2004-01-01 940607 2005-01-01 710086 2006-01-01 1004933 2007-01-01 1365415 2008-01-01 4344421 2009-01-01 2182088 2010-01-01 1341783 2011-01-01 1804288 2012-01-01 1727269 2013-01-01 1989600 2014-01-01 346355 2015-01-01 365709 2016-01-01 309544