Frequencies for first 10,000 rows of prov3230 variable in pos1993 dataset :

      state |
abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        155        1.55        1.55
         AL |      1,370       13.70       15.25
         AR |      1,349       13.49       28.74
         AZ |      1,047       10.47       39.21
         CA |      5,887       58.87       98.08
         CO |        192        1.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016