Frequencies for first 10,000 rows of pct012c005 variable in sf12000860us18 dataset :

    2 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,759       87.59       87.59
          1 |        809        8.09       95.68
          2 |        208        2.08       97.76
          3 |         93        0.93       98.69
          4 |         48        0.48       99.17
          5 |         25        0.25       99.42
          6 |          5        0.05       99.47
          7 |         16        0.16       99.63
          8 |          5        0.05       99.68
          9 |          4        0.04       99.72
         10 |          5        0.05       99.77
         11 |          1        0.01       99.78
         12 |          3        0.03       99.81
         13 |          1        0.01       99.82
         14 |          3        0.03       99.85
         15 |          2        0.02       99.87
         16 |          1        0.01       99.88
         17 |          1        0.01       99.89
         24 |          1        0.01       99.90
         25 |          1        0.01       99.91
         26 |          1        0.01       99.92
         27 |          1        0.01       99.93
         43 |          1        0.01       99.94
         48 |          1        0.01       99.95
         54 |          1        0.01       99.96
         60 |          1        0.01       99.97
         61 |          1        0.01       99.98
         74 |          1        0.01       99.99
         88 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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