Frequencies for first 10,000 rows of prov0010 variable in pos2002 dataset :

accreditati |
         on |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,228       62.28       62.28
          0 |      2,743       27.43       89.71
          1 |        938        9.38       99.09
          2 |         85        0.85       99.94
          3 |          3        0.03       99.97
          4 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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