Frequencies for first 10,000 rows of retypoff variable in namcs2006 dataset :

                 type of office setting |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         private solo or group practice |      8,798       87.98       87.98
         freestanding clinic/urgicenter |        843        8.43       96.41
                   mental health center |         23        0.23       96.64
          non-federal government clinic |         36        0.36       97.00
health maint org (hmo)/oth prepaid prac |        226        2.26       99.26
                  faculty practice plan |         55        0.55       99.81
                                  other |         19        0.19      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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