Year Dollars 1992-01-01 27399627 1997-01-01 124034029 2002-01-01 98538274 2003-01-01 100578982 2004-01-01 123381845 2005-01-01 162237915 2006-01-01 205485907 2007-01-01 241662090 2008-01-01 262233595 2009-01-01 264080419 2010-01-01 336827525 2011-01-01 372226390 2012-01-01 344536464 2013-01-01 225098821 2014-01-01 177026379 2015-01-01 190396756 2016-01-01 162889901