20050415
Market, AdvIssues, DecIssues, UncIssues,      AdvVol,     DeclVol,     UnchVol
  NYSE,       767,      2491,       142,   339175000,  1813554000,    13829000
  AMEX,       290,       630,        98,    17051000,    65402000,     1449000
NASDAQ,       733,      2337,       159,   292141000,  1976424000,    29935000