Frequencies for first 10,000 rows of retypoff variable in namcs2011 dataset :

  Type of office setting for this visit |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
         Private solo or group practice |      8,957       89.57       89.57
         Freestanding clinic/urgicenter |        378        3.78       93.35
                   Mental health center |          5        0.05       93.40
          Non-federal government clinic |        182        1.82       95.22
Health Maint Org (HMO)/oth prepaid prac |        459        4.59       99.81
                  Faculty practice plan |         19        0.19      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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