2002/07/31
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1640,       1534,        157, 1033982882, 1094548327,   15461000
  AMEX,        368,        340,         52,   89777361,  124767069,    1572250
NASDAQ,       1395,       1941,        110,  393126501, 1189921074,   39284386