Frequencies for first 10,000 rows of prov0335 variable in pos1992 dataset :

 current ro |
      flag: |
     waiver |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,996       99.96       99.96
          1 |          1        0.01       99.97
          2 |          2        0.02       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017