2005/04/21
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       2301,        763,        124, 1888414250,  368855330,   24593350
  AMEX,        557,        291,         71,  240397170,   22709670,    3509550
NASDAQ,       2200,        812,        128, 1717794160,  267687248,   19528165