Year Dollars 1992-01-01 23582075 1997-01-01 66564373 2002-01-01 57702613 2003-01-01 79493097 2004-01-01 84351424 2005-01-01 93771856 2006-01-01 99457060 2007-01-01 120021140 2008-01-01 543149073 2009-01-01 760808638 2010-01-01 1045907305 2011-01-01 931814905 2012-01-01 469336909 2013-01-01 406058564 2014-01-01 443158162 2015-01-01 500532075 2016-01-01 438185657