Frequencies for first 10,000 rows of prov1725 variable in pos1993 dataset :

region code |      Freq.     Percent        Cum.
------------+-----------------------------------
         04 |      1,370       13.70       13.70
         06 |      1,349       13.49       27.19
         08 |        192        1.92       29.11
         09 |      6,934       69.34       98.45
         10 |        155        1.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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