2002/04/01
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1392,       1633,        301,  525195160,  712477930,   29141670
  AMEX,        367,        357,        227,  118593880,   22904000,    3230170
NASDAQ,       1569,       1935,        496,  998441900,  518216200,   24479300