Frequencies for first 10,000 rows of pct016021 variable in sf12000860us15 dataset :

Institution |
  s for the |
      blind |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,984       99.84       99.84
          2 |          1        0.01       99.85
          3 |          2        0.02       99.87
          6 |          1        0.01       99.88
         14 |          1        0.01       99.89
         17 |          2        0.02       99.91
         26 |          1        0.01       99.92
         28 |          1        0.01       99.93
         38 |          1        0.01       99.94
         40 |          1        0.01       99.95
         59 |          1        0.01       99.96
         63 |          1        0.01       99.97
         66 |          1        0.01       99.98
         75 |          1        0.01       99.99
        120 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017