Frequencies for first 10,000 rows of prov1725 variable in posclia1997 dataset :

   prov1725 |      Freq.     Percent        Cum.
------------+-----------------------------------
         03 |          2        0.02        0.02
         04 |      3,495       34.95       34.97
         05 |          3        0.03       35.00
         06 |      2,110       21.10       56.10
         08 |          1        0.01       56.11
         09 |      3,966       39.66       95.77
         10 |        423        4.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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