2005/04/01
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1426,       1614,        121,  708299570, 1434690030,   20207950
  AMEX,        343,        479,         87,   66356840,  216180210,    5787400
NASDAQ,       1083,       1944,        135,  551728066, 1318740855,   25805235