Frequencies for first 10,000 rows of cl_srvc_cd variable in pos2016 dataset :

  Services: |
   Clinical |
 Laboratory |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |         55        0.55       86.24
          1 |        879        8.79       95.03
          2 |        288        2.88       97.91
          3 |        209        2.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017