Frequencies for first 10,000 rows of pct012n012 variable in sf12000860us29 dataset :

    9 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,719       87.19       87.19
          1 |        898        8.98       96.17
          2 |        203        2.03       98.20
          3 |         73        0.73       98.93
          4 |         40        0.40       99.33
          5 |         23        0.23       99.56
          6 |         11        0.11       99.67
          7 |          5        0.05       99.72
          8 |          4        0.04       99.76
          9 |          1        0.01       99.77
         10 |          2        0.02       99.79
         11 |          4        0.04       99.83
         12 |          4        0.04       99.87
         13 |          1        0.01       99.88
         14 |          1        0.01       99.89
         16 |          2        0.02       99.91
         17 |          1        0.01       99.92
         22 |          1        0.01       99.93
         24 |          1        0.01       99.94
         26 |          1        0.01       99.95
         29 |          2        0.02       99.97
         35 |          1        0.01       99.98
         36 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017