2006/05/18
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1229,       2010,        143,  542881775, 1588127180,   24513485
  AMEX,        331,        665,         71,   40011400,  236776698,    1596150
NASDAQ,       1148,       1895,        152,  771066780, 1288056930,   22331497