2004/07/30
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1850,       1165,        128,  792262054,  606346926,   26948180
  AMEX,        505,        259,         93,  187922731,   23699950,    5110300
NASDAQ,       1761,       1293,        141,  994615029,  504122714,   11101167