Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos1992 dataset :

       srv: |
   neonatal |
    nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,851       88.51       88.51
          0 |        729        7.29       95.80
          1 |        377        3.77       99.57
          2 |         32        0.32       99.89
          3 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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