Frequencies for first 10,000 rows of prov0010 variable in pos2010 dataset :

ACCREDITATI |
         ON |
  INDICATOR |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,005       60.05       60.05
          0 |      2,640       26.40       86.45
          1 |      1,106       11.06       97.51
          2 |        204        2.04       99.55
          3 |         34        0.34       99.89
          4 |          6        0.06       99.95
          5 |          4        0.04       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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