2002/04/23
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1549,       1549,        308,  707430870,  833800790,   29311330
  AMEX,        345,        386,        231,   25577520,  116733400,    4447100
NASDAQ,       1598,       1870,        580,  417438800, 1515242900,   11680800