Year Dollars 1992-01-01 482427 1997-01-01 252841 2002-01-01 196160 2003-01-01 258859 2004-01-01 193714 2005-01-01 1473977 2006-01-01 1698617 2007-01-01 387381 2008-01-01 504222 2009-01-01 112324 2010-01-01 1354653 2011-01-01 280934 2012-01-01 5717241 2013-01-01 7829225 2014-01-01 2058508 2015-01-01 1354042 2016-01-01 649753