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

                 Type of office setting |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         Private solo or group practice |      9,129       91.29       91.29
         Freestanding clinic/urgicenter |        527        5.27       96.56
  Federally qualified health ctr (FQHC) |         24        0.24       96.80
                   Mental health center |         87        0.87       97.67
          Non-federal government clinic |         83        0.83       98.50
Health Maint Org (HMO)/oth prepaid prac |        150        1.50      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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