Frequencies for first 10,000 rows of nrsng_srvc_cd variable in pos2017 dataset 

  Services: |
    Nursing |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,259       82.59       82.59
          1 |      1,685       16.85       99.44
          2 |          3        0.03       99.47
          3 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018