Frequencies for first 10,000 rows of contsub1 variable in namcs2001 dataset :

 controlled |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        143        1.43        1.43
          3 |         95        0.95        2.38
          4 |        153        1.53        3.91
          5 |         15        0.15        4.06
          6 |      5,232       52.32       56.38
          7 |        189        1.89       58.27
          . |      4,173       41.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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