2006/05/23
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1483,       1758,        139,  996473775, 1264097690,   14271000
  AMEX,        476,        504,         92,  106194700,  197154142,    2860200
NASDAQ,       1352,       1702,        133,  728774101, 1416995921,   26295922