2002/05/20
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1168,       1899,        196,  464882240,  716691620,   10740680
  AMEX,        258,        463,        121,   42665400,  116759100,    2384000
NASDAQ,       1177,       2287,        214,  448323800,  956695800,   13977500