2004/12/20
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1512,       1555,        143,  752042442,  821810462,   32603235
  AMEX,        383,        474,         69,  115273133,   83492873,    4222950
NASDAQ,       1147,       1977,        119,  608648162, 1292276228,   95529107