Frequencies for first 10,000 rows of pldel variable in natlterr2000 dataset :

   Place or |
Facility of |
     Birth  |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,988       99.88       99.88
          4 |          8        0.08       99.96
          5 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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