Year Dollars 1992-01-01 636878 1997-01-01 2277602 2002-01-01 2420541 2003-01-01 2701355 2004-01-01 4763959 2005-01-01 3092195 2006-01-01 4225537 2007-01-01 9036048 2008-01-01 5313042 2009-01-01 5775365 2010-01-01 3147597 2011-01-01 5264796 2012-01-01 5444843 2013-01-01 8807623 2014-01-01 4231049 2015-01-01 11761464 2016-01-01 7984350