

   BBeellggiiuumm PPhhoonnee CCaallllss 11995500--11997733

   SSUUMMMMAARRYY::

        A list object with the annual numbers of telephone
        calls, in Belgium.  The components are: `year': year -
        1900 and `calls': telephone calls in millions.

   SSOOUURRCCEE::

        P. J. Rousseeuw and A. M. Leroy (1987) Robust Regres-
        sion  Outlier Detection.  Wiley.

