Year Dollars 1992-01-01 91296970 1997-01-01 259032471 2002-01-01 241176427 2003-01-01 266938285 2004-01-01 343164479 2005-01-01 428596434 2006-01-01 411860817 2007-01-01 380992258 2008-01-01 414865686 2009-01-01 332554309 2010-01-01 402298843 2011-01-01 919039105 2012-01-01 434922024 2013-01-01 708838039 2014-01-01 466887437 2015-01-01 412517212 2016-01-01 443703850