Frequencies for first 10,000 rows of contsub7 variable in namcs2003 dataset :

 controlled |
status code |
        for |
 medication |
         #7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          7        0.07        0.07
          3 |          4        0.04        0.11
          4 |         24        0.24        0.35
          5 |          3        0.03        0.38
          6 |        454        4.54        4.92
          7 |         11        0.11        5.03
          . |      9,497       94.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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