2005/07/21
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1025,       2237,        134,  447403680, 1412495710,   33739900
  AMEX,        401,        549,         81,   46865990,  157449725,    4255725
NASDAQ,       1114,       1900,        141,  965183808, 1111979686,   19416632