Frequencies for first 10,000 rows of prov2710 variable in posclia2000 dataset :

   prov2710 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,606       76.06       76.06
        001 |      1,750       17.50       93.56
         AZ |        643        6.43       99.99
         M2 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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