Frequencies for first 10,000 rows of contsub6 variable in namcs2004 dataset :

 controlled |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         13        0.13        0.13
          3 |          4        0.04        0.17
          4 |         25        0.25        0.42
          5 |          2        0.02        0.44
          6 |        589        5.89        6.33
          7 |         12        0.12        6.45
          . |      9,355       93.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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