Frequencies for first 10,000 rows of neontl_icu_srvc_cd variable in pos2012 dat

   Services |
  Provided: |
        ICU |
   Neonatal |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |      1,283       12.83       98.89
          1 |         88        0.88       99.77
          2 |          8        0.08       99.85
          3 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016