Frequencies for first 10,000 rows of rgn_cd variable in pos1996 dataset :

region code |      Freq.     Percent        Cum.
------------+-----------------------------------
         04 |      1,328       13.28       13.28
         06 |      1,423       14.23       27.51
         08 |        798        7.98       35.49
         09 |      6,268       62.68       98.17
         10 |        183        1.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017