Frequencies for first 10,000 rows of contsub4 variable in namcs2004 dataset :

 controlled |
status code |
        for |
 medication |
         #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         17        0.17        0.17
          3 |         25        0.25        0.42
          4 |         64        0.64        1.06
          5 |          1        0.01        1.07
          6 |      1,165       11.65       12.72
          7 |         30        0.30       13.02
          . |      8,698       86.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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