Frequencies for first 10,000 rows of retypoff variable in namcs2004 dataset :

                 type of office setting |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         Private solo or group practice |      9,072       90.72       90.72
         Freestanding clinic/urgicenter |        445        4.45       95.17
  Federally qualified health ctr (FQHC) |         23        0.23       95.40
                   Mental health center |         85        0.85       96.25
          Non-federal government clinic |        218        2.18       98.43
Health Maint Org (HMO)/oth prepaid prac |         88        0.88       99.31
                  Faculty practice plan |         69        0.69      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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