2005/05/20
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1355,       1653,        159,  671409100,  918943590,   38727200
  AMEX,        380,        447,         92,   39169030,  140620390,    5074950
NASDAQ,       1434,       1516,        183,  933870491,  525125270,   61194279