Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos1994 dataset :

       srv: |
   neonatal |
    nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,940       89.40       89.40
          0 |        686        6.86       96.26
          1 |        334        3.34       99.60
          2 |         32        0.32       99.92
          3 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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