2006/07/27
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1395,       1842,        140,  829924070, 1412895975,   13191250
  AMEX,        468,        520,         97,   64664450,  159606528,    5725275
NASDAQ,       1140,       1891,        132,  761156477, 1394381899,   11068592