Frequencies for first 10,000 rows of whocomp variable in namcs2001 dataset :

        who |
  completed |
the patient |
     record |
     forms? |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,851       18.51       18.51
          2 |      3,301       33.01       51.52
          3 |      2,780       27.80       79.32
          4 |        241        2.41       81.73
          5 |      1,527       15.27       97.00
          6 |        300        3.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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