2004/04/27
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1732,       1338,        150,  836342772,  821676200,   23282330
  AMEX,        406,        396,         81,  127634828,  136382385,    5751700
NASDAQ,       1556,       1593,        122,  623704016, 1303473600,   22180110