2006/05/10
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1453,       1801,        153,  848701350, 1078686075,   13350250
  AMEX,        412,        582,         84,   86081565,  155151065,    8356750
NASDAQ,       1190,       1877,        127,  640251401, 1394170807,   31455191