Frequencies for first 10,000 rows of contsub1 variable in namcs2003 dataset :

 controlled |
status code |
        for |
 medication |
         #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        154        1.54        1.54
          3 |         97        0.97        2.51
          4 |        155        1.55        4.06
          5 |         17        0.17        4.23
          6 |      5,557       55.57       59.80
          7 |        292        2.92       62.72
          . |      3,728       37.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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