Frequencies for first 10,000 rows of prov1725 variable in posclia2006 dataset :

region code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |          1        0.01        0.01
         02 |          2        0.02        0.03
         04 |      5,559       55.59       55.62
         05 |          5        0.05       55.67
         06 |         17        0.17       55.84
         07 |          2        0.02       55.86
         08 |          3        0.03       55.89
         09 |      3,711       37.11       93.00
         10 |        700        7.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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