Frequencies for first 10,000 rows of contsub3 variable in namcs2001 dataset :

 controlled |
status code |
        for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         17        0.17        0.17
          3 |         29        0.29        0.46
          4 |         81        0.81        1.27
          5 |          2        0.02        1.29
          6 |      1,549       15.49       16.78
          7 |         36        0.36       17.14
          . |      8,286       82.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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