2003/05/01
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1551,       1473,        176,  712904767,  809666295,   15039820
  AMEX,        346,        301,         47,   59372610,   53582044,    4946590
NASDAQ,       1658,       1392,        122,  980336159,  434093387,   29811017