Frequencies for first 10,000 rows of pct012k012 variable in sf12000860us26 dataset :

    9 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,788       87.88       87.88
          1 |        862        8.62       96.50
          2 |        203        2.03       98.53
          3 |         62        0.62       99.15
          4 |         33        0.33       99.48
          5 |         18        0.18       99.66
          6 |          6        0.06       99.72
          7 |          5        0.05       99.77
          8 |          3        0.03       99.80
          9 |          2        0.02       99.82
         10 |          2        0.02       99.84
         11 |          1        0.01       99.85
         12 |          2        0.02       99.87
         13 |          1        0.01       99.88
         14 |          1        0.01       99.89
         19 |          1        0.01       99.90
         21 |          1        0.01       99.91
         32 |          1        0.01       99.92
         33 |          1        0.01       99.93
         36 |          1        0.01       99.94
         44 |          1        0.01       99.95
         51 |          2        0.02       99.97
         73 |          1        0.01       99.98
         93 |          1        0.01       99.99
        110 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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