2006/04/17
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1450,       1812,        141,  741381500,  997189140,   29239150
  AMEX,        461,        561,         90,  215107395,  171705924,    6287310
NASDAQ,       1291,       1783,        123,  500584443, 1331085387,   17628438