Year Dollars 1992-01-01 107991389 1997-01-01 128240871 2002-01-01 225098060 2003-01-01 158688968 2004-01-01 247033308 2005-01-01 452941241 2006-01-01 647253878 2007-01-01 579807109 2008-01-01 753486254 2009-01-01 217660040 2010-01-01 255356365 2011-01-01 285587781 2012-01-01 410548664 2013-01-01 852275568 2014-01-01 450557256 2015-01-01 326944908 2016-01-01 531120887