Year Dollars 1992-01-01 37294355 1997-01-01 56801942 2002-01-01 67234482 2003-01-01 44035093 2004-01-01 85254267 2005-01-01 191285464 2006-01-01 341548319 2007-01-01 232664626 2008-01-01 252543751 2009-01-01 269377189 2010-01-01 326965550 2011-01-01 329881369 2012-01-01 259489910 2013-01-01 354367244 2014-01-01 369103577 2015-01-01 197364053 2016-01-01 287271308