Frequencies for first 10,000 rows of NEONTL_NRSRY_SRVC_CD variable in pos2011 dataset :

   Services |
  Provided: |
   Neonatal |
    Nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,614       86.14       86.14
          0 |        952        9.52       95.66
          1 |        376        3.76       99.42
          2 |         36        0.36       99.78
          3 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019