Frequencies for first 10,000 rows of comstat4 variable in nhamcsed2009 dataset :

   for rx4, |
composition |
status code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,285       12.85       12.85
          2 |        241        2.41       15.26
          3 |          8        0.08       15.34
          . |      8,466       84.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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