Frequencies for first 10,000 rows of contsub5 variable in namcs2004 dataset :

 controlled |
status code |
        for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          9        0.09        0.09
          3 |          9        0.09        0.18
          4 |         37        0.37        0.55
          5 |          2        0.02        0.57
          6 |        836        8.36        8.93
          7 |         18        0.18        9.11
          . |      9,089       90.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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