Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos2005 dataset :

       srv: |
   neonatal |
    nursery |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,731       87.31       87.31
          0 |        851        8.51       95.82
          1 |        363        3.63       99.45
          2 |         40        0.40       99.85
          3 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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