2005/04/18
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1792,       1261,        140, 1273513710,  852145180,   26290600
  AMEX,        375,        472,         71,  246111115,   83910770,    9851400
NASDAQ,       1498,       1521,        148, 1077722918,  779452732,   20710124