Year Dollars 1992-01-01 209738723 1997-01-01 351176411 2002-01-01 321470887 2003-01-01 363547724 2004-01-01 500022995 2005-01-01 657036698 2006-01-01 623399262 2007-01-01 650101373 2008-01-01 738319873 2009-01-01 612900056 2010-01-01 831267017 2011-01-01 906010195 2012-01-01 931339552 2013-01-01 812512710 2014-01-01 798991758 2015-01-01 769400452 2016-01-01 660474281