Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos2000 dataset :

       srv: |
   neonatal |
    nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,871       88.71       88.71
          0 |        734        7.34       96.05
          1 |        351        3.51       99.56
          2 |         35        0.35       99.91
          3 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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