Year Dollars 1992-01-01 37194528188 1997-01-01 61142185979 2002-01-01 87102414077 2003-01-01 89998716857 2004-01-01 103931292154 2005-01-01 115006288371 2006-01-01 135450435383 2007-01-01 154509494873 2008-01-01 176821516402 2009-01-01 149891346565 2010-01-01 192511263410 2011-01-01 233903277414 2012-01-01 247090678781 2013-01-01 261211296407 2014-01-01 270794538435 2015-01-01 232109678872 2016-01-01 217840747695