Frequencies for first 10,000 rows of whocomp variable in namcs2002 dataset :

Who completed the Patient Record Forms? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                              Physician |      1,386       13.86       13.86
                           Office staff |      2,921       29.21       43.07
Census field rep (abstract from record) |      3,415       34.15       77.22
                                  Other |        175        1.75       78.97
            Multiple categories checked |      1,659       16.59       95.56
                                Unknown |        444        4.44      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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