2006/07/12
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1019,       2262,        129,  393494525, 1364636250,   60466525
  AMEX,        347,        614,        116,   32467065,  169847696,    5629900
NASDAQ,        771,       2274,        116,  373880284, 1455816388,    3963067