Frequencies for first 10,000 rows of prov0010 variable in pos2007 dataset :

accreditati |
         on |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,013       60.13       60.13
          0 |      2,681       26.81       86.94
          1 |      1,148       11.48       98.42
          2 |        141        1.41       99.83
          3 |         11        0.11       99.94
          4 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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