2004/07/15
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1627,       1381,        141,  610253088,  932996925,   17033300
  AMEX,        363,        420,         82,   38192740,  183802763,    5461100
NASDAQ,       1520,       1519,        148,  747980912,  848202530,   54143609