Frequencies for first 10,000 rows of comstat3 variable in namcs2005 dataset :

composition |
status code |
 for med #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,687       26.87       26.87
          2 |        411        4.11       30.98
          3 |         83        0.83       31.81
          . |      6,819       68.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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