Frequencies for first 10,000 rows of comstat6 variable in nhamcsed2009 dataset :

   for rx6, |
composition |
status code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        392        3.92        3.92
          2 |         66        0.66        4.58
          3 |          4        0.04        4.62
          . |      9,538       95.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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