Year Dollars 1992-01-01 42299070 1997-01-01 86535787 2002-01-01 101584540 2003-01-01 99885494 2004-01-01 188967304 2005-01-01 188215404 2006-01-01 136280427 2007-01-01 202336046 2008-01-01 231156278 2009-01-01 183425511 2010-01-01 205977841 2011-01-01 175070409 2012-01-01 156102805 2013-01-01 205924452 2014-01-01 208722305 2015-01-01 203399448 2016-01-01 207509792