Frequencies for first 10,000 rows of comstat2 variable in nhamcsed2009 dataset :

   for rx2, |
composition |
status code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,215       42.15       42.15
          2 |        782        7.82       49.97
          3 |         62        0.62       50.59
          . |      4,941       49.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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