Frequencies for first 10,000 rows of pct012c114 variable in sf12010860us22 dataset :

    7 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,472       84.72       84.72
          1 |        939        9.39       94.11
          2 |        280        2.80       96.91
          3 |        124        1.24       98.15
          4 |         65        0.65       98.80
          5 |         36        0.36       99.16
          6 |         26        0.26       99.42
          7 |         16        0.16       99.58
          8 |         10        0.10       99.68
          9 |          5        0.05       99.73
         10 |          3        0.03       99.76
         11 |          1        0.01       99.77
         12 |          2        0.02       99.79
         13 |          1        0.01       99.80
         14 |          4        0.04       99.84
         15 |          1        0.01       99.85
         16 |          1        0.01       99.86
         17 |          2        0.02       99.88
         18 |          1        0.01       99.89
         19 |          1        0.01       99.90
         23 |          1        0.01       99.91
         29 |          2        0.02       99.93
         37 |          1        0.01       99.94
         39 |          1        0.01       99.95
         45 |          1        0.01       99.96
         49 |          1        0.01       99.97
         55 |          1        0.01       99.98
         73 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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