Frequencies for first 10,000 rows of prov0010 variable in pos1992 dataset :

accreditati |
         on |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,781       87.81       87.81
          0 |        301        3.01       90.82
          1 |        909        9.09       99.91
          2 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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