Frequencies for first 10,000 rows of contsub4 variable in namcs2005 dataset :

 controlled |
status code |
 for med #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         21        0.21        0.21
          3 |         35        0.35        0.56
          4 |         75        0.75        1.31
          5 |          8        0.08        1.39
          6 |      1,980       19.80       21.19
          7 |         52        0.52       21.71
          . |      7,829       78.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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