Frequencies for first 10,000 rows of contsub2 variable in namcs2004 dataset :

 controlled |
status code |
        for |
 medication |
         #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         70        0.70        0.70
          3 |         68        0.68        1.38
          4 |        153        1.53        2.91
          5 |         15        0.15        3.06
          6 |      2,963       29.63       32.69
          7 |        132        1.32       34.01
          . |      6,599       65.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016