Frequencies for first 10,000 rows of pct012n111 variable in sf12000860us29 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,688       86.88       86.88
          1 |        844        8.44       95.32
          2 |        266        2.66       97.98
          3 |        103        1.03       99.01
          4 |         33        0.33       99.34
          5 |         15        0.15       99.49
          6 |         15        0.15       99.64
          7 |          5        0.05       99.69
          8 |          2        0.02       99.71
          9 |          8        0.08       99.79
         10 |          4        0.04       99.83
         11 |          2        0.02       99.85
         12 |          2        0.02       99.87
         13 |          2        0.02       99.89
         14 |          2        0.02       99.91
         15 |          1        0.01       99.92
         16 |          1        0.01       99.93
         17 |          1        0.01       99.94
         21 |          1        0.01       99.95
         25 |          1        0.01       99.96
         29 |          1        0.01       99.97
         36 |          1        0.01       99.98
         39 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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