Frequencies for first 10,000 rows of prov2710 variable in posclia2001 dataset :

   prov2710 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,679       76.79       76.79
        001 |      1,660       16.60       93.39
         AZ |        660        6.60       99.99
         M2 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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