Frequencies for first 10,000 rows of pct012c114 variable in sf12000860us18 dataset :

    7 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,595       85.95       85.95
          1 |        930        9.30       95.25
          2 |        236        2.36       97.61
          3 |        105        1.05       98.66
          4 |         41        0.41       99.07
          5 |         25        0.25       99.32
          6 |         14        0.14       99.46
          7 |         18        0.18       99.64
          8 |          4        0.04       99.68
          9 |          3        0.03       99.71
         10 |          5        0.05       99.76
         11 |          3        0.03       99.79
         12 |          4        0.04       99.83
         13 |          1        0.01       99.84
         14 |          2        0.02       99.86
         15 |          2        0.02       99.88
         16 |          1        0.01       99.89
         19 |          1        0.01       99.90
         21 |          1        0.01       99.91
         22 |          1        0.01       99.92
         25 |          1        0.01       99.93
         33 |          1        0.01       99.94
         43 |          1        0.01       99.95
         47 |          1        0.01       99.96
         57 |          1        0.01       99.97
         78 |          2        0.02       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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