Year Dollars 1992-01-01 242580857 1997-01-01 246985568 2002-01-01 260009745 2003-01-01 253084354 2004-01-01 245892225 2005-01-01 272364838 2006-01-01 260221352 2007-01-01 311340402 2008-01-01 351287836 2009-01-01 541747881 2010-01-01 710403179 2011-01-01 857331942 2012-01-01 728660665 2013-01-01 631900673 2014-01-01 751742816 2015-01-01 826749971 2016-01-01 672652292