2003/04/21
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1709,       1341,        167,  696769061,  529815948,   10937795
  AMEX,        369,        290,         42,   82612117,   14105900,    4567675
NASDAQ,       1643,       1425,        129,  644653951,  546579295,   45344421