Year Dollars 1997-01-01 114413 2002-01-01 206410 2003-01-01 251900 2004-01-01 1523364 2005-01-01 1403269 2006-01-01 1036496 2007-01-01 2179374 2008-01-01 864672 2009-01-01 1683388 2010-01-01 7730639 2012-01-01 5292587 2013-01-01 4488131 2014-01-01 3534429 2015-01-01 3888244 2016-01-01 2618227