Frequencies for first 10,000 rows of pct012k010 variable in sf12010860us30 dataset :

    7 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,969       89.69       89.69
          1 |        749        7.49       97.18
          2 |        163        1.63       98.81
          3 |         53        0.53       99.34
          4 |         28        0.28       99.62
          5 |          8        0.08       99.70
          6 |          4        0.04       99.74
          7 |          5        0.05       99.79
          8 |          3        0.03       99.82
          9 |          1        0.01       99.83
         10 |          2        0.02       99.85
         12 |          2        0.02       99.87
         13 |          1        0.01       99.88
         15 |          1        0.01       99.89
         18 |          1        0.01       99.90
         23 |          1        0.01       99.91
         26 |          1        0.01       99.92
         39 |          1        0.01       99.93
         42 |          1        0.01       99.94
         44 |          1        0.01       99.95
         48 |          1        0.01       99.96
         57 |          1        0.01       99.97
         60 |          1        0.01       99.98
         78 |          1        0.01       99.99
         94 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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