Frequencies for first 10,000 rows of prov0340 variable in pos1992 dataset :

 current ro |
      flag: |
    refused |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,997       99.97       99.97
          1 |          1        0.01       99.98
          2 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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