Frequencies for first 10,000 rows of retypoff variable in namcs1997 dataset :

  type of office setting for this visit |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Freestanding priv, solo, or group offic |      8,559       85.59       85.59
         Freestanding clinic/urgicenter |        597        5.97       91.56
   Neighborhood hlth or mental hlth ctr |        141        1.41       92.97
              Privately operated clinic |        382        3.82       96.79
Local govt clinic (state, county, city) |         58        0.58       97.37
Health Maint Org (HMO)/oth prepaid prac |        263        2.63      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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