Frequencies for first 10,000 rows of pldel variable in natlterr1996 dataset :

   Place or |
Facility of |
     Birth  |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,975       99.75       99.75
          4 |         19        0.19       99.94
          5 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015