2006/04/18
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       2590,        714,        103, 2147483647,  247789050,   10588870
  AMEX,        724,        310,         78,  485326773,   57851680,   10433600
NASDAQ,       2194,        861,        138, 1974841469,  297531231,   22681208