Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos2007 dataset :

       srv: |
   neonatal |
    nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |        889        8.89       95.71
          1 |        376        3.76       99.47
          2 |         36        0.36       99.83
          3 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017