Frequencies for first 10,000 rows of pldel variable in natl2002 dataset :

   Place or |
Facility of |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,543       95.43       95.43
          2 |        243        2.43       97.86
          3 |         29        0.29       98.15
          4 |        168        1.68       99.83
          5 |          1        0.01       99.84
          9 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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