2005/07/18
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1261,       1990,        158,  447098205,  927928060,   16786500
  AMEX,        349,        594,         91,   21903286,  109987600,    2895550
NASDAQ,       1141,       1894,        156,  453590942,  849204922,   34426902