Frequencies for first 10,000 rows of whocomp variable in namcs1998 dataset :

who completed the patient record forms? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                              Physician |      1,817       18.17       18.17
                           Office staff |      3,714       37.14       55.31
Census field rep (abstract from record) |      1,824       18.24       73.55
                                  Other |        183        1.83       75.38
            Multiple categories checked |      1,869       18.69       94.07
                                Unknown |        593        5.93      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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