Year Dollars 1992-01-01 362156 1997-01-01 322251 2002-01-01 364610 2003-01-01 275933 2004-01-01 406196 2005-01-01 379993 2006-01-01 420489 2007-01-01 1204546 2009-01-01 936223 2010-01-01 649637 2011-01-01 2528298 2012-01-01 922978 2013-01-01 1577879 2014-01-01 835599 2015-01-01 5753123 2016-01-01 664380