Frequencies for first 10,000 rows of fipsstoff variable in namcs2012 dataset :

  State where majority of |
      physician's sampled |
          visits occurred |      Freq.     Percent        Cum.
--------------------------+-----------------------------------
               California |      2,213       22.13       22.13
                  Florida |      1,703       17.03       39.16
                  Georgia |         11        0.11       39.27
                 Illinois |      1,880       18.80       58.07
                  Indiana |         40        0.40       58.47
                     Iowa |         38        0.38       58.85
                 New York |      1,543       15.43       74.28
             Pennsylvania |         36        0.36       74.64
                    Texas |      2,523       25.23       99.87
                Wisconsin |         13        0.13      100.00
--------------------------+-----------------------------------
                    Total |     10,000      100.00

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