Frequencies for first 10,000 rows of pct012c111 variable in sf12000860us18 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,758       87.58       87.58
          1 |        797        7.97       95.55
          2 |        219        2.19       97.74
          3 |        112        1.12       98.86
          4 |         31        0.31       99.17
          5 |         21        0.21       99.38
          6 |         20        0.20       99.58
          7 |          3        0.03       99.61
          8 |          6        0.06       99.67
          9 |          3        0.03       99.70
         10 |          7        0.07       99.77
         11 |          3        0.03       99.80
         12 |          2        0.02       99.82
         13 |          2        0.02       99.84
         14 |          4        0.04       99.88
         15 |          2        0.02       99.90
         16 |          1        0.01       99.91
         21 |          1        0.01       99.92
         26 |          1        0.01       99.93
         34 |          2        0.02       99.95
         44 |          1        0.01       99.96
         46 |          1        0.01       99.97
         59 |          1        0.01       99.98
         66 |          1        0.01       99.99
         81 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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