Frequencies for first 10,000 rows of pct012c009 variable in sf12000860us18 dataset :

    6 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,616       86.16       86.16
          1 |        922        9.22       95.38
          2 |        221        2.21       97.59
          3 |        107        1.07       98.66
          4 |         45        0.45       99.11
          5 |         21        0.21       99.32
          6 |         12        0.12       99.44
          7 |         12        0.12       99.56
          8 |          5        0.05       99.61
          9 |          7        0.07       99.68
         10 |          5        0.05       99.73
         11 |          3        0.03       99.76
         12 |          6        0.06       99.82
         13 |          1        0.01       99.83
         14 |          2        0.02       99.85
         16 |          2        0.02       99.87
         18 |          1        0.01       99.88
         19 |          1        0.01       99.89
         21 |          1        0.01       99.90
         23 |          2        0.02       99.92
         34 |          1        0.01       99.93
         51 |          2        0.02       99.95
         56 |          1        0.01       99.96
         57 |          1        0.01       99.97
         68 |          1        0.01       99.98
         78 |          1        0.01       99.99
         97 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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