Year Dollars 1992-01-01 89581944 1997-01-01 148950958 2002-01-01 155940207 2003-01-01 192123259 2004-01-01 265018495 2005-01-01 281576170 2006-01-01 373571372 2007-01-01 462835119 2008-01-01 395325994 2009-01-01 225315024 2010-01-01 563248096 2011-01-01 547276073 2012-01-01 513970769 2013-01-01 482759399 2014-01-01 483716948 2015-01-01 472754603 2016-01-01 495384902