Year Dollars 1992-01-01 46000005 1997-01-01 14657861 2002-01-01 29755508 2003-01-01 37332725 2004-01-01 68686445 2005-01-01 66302476 2006-01-01 56237870 2007-01-01 57566201 2008-01-01 109908674 2009-01-01 162501076 2010-01-01 199477283 2011-01-01 380709645 2012-01-01 305560843 2013-01-01 216369444 2014-01-01 359899799 2015-01-01 536034364 2016-01-01 414584591