Year Dollars 1992-01-01 155730392 1997-01-01 346082071 2002-01-01 490647800 2003-01-01 551164677 2004-01-01 618809381 2005-01-01 712606713 2006-01-01 725618049 2007-01-01 993265607 2008-01-01 925006362 2009-01-01 573029464 2010-01-01 646352944 2011-01-01 750049515 2012-01-01 642208013 2013-01-01 661947441 2014-01-01 670379742 2015-01-01 819936367 2016-01-01 719518074