2004/07/23
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,        960,       2056,        139,  311755522, 1139652171,   11176905
  AMEX,        218,        554,         96,   10100950,  250954485,    6254550
NASDAQ,        821,       2212,        172,  231978221, 1436767290,   11676766