Frequencies for first 10,000 rows of pct012k009 variable in sf12000860us26 dataset :

    6 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,912       89.12       89.12
          1 |        766        7.66       96.78
          2 |        178        1.78       98.56
          3 |         71        0.71       99.27
          4 |         26        0.26       99.53
          5 |         13        0.13       99.66
          6 |          4        0.04       99.70
          7 |          8        0.08       99.78
          8 |          2        0.02       99.80
          9 |          5        0.05       99.85
         12 |          2        0.02       99.87
         17 |          1        0.01       99.88
         19 |          1        0.01       99.89
         20 |          1        0.01       99.90
         23 |          2        0.02       99.92
         34 |          1        0.01       99.93
         50 |          1        0.01       99.94
         51 |          1        0.01       99.95
         56 |          1        0.01       99.96
         57 |          1        0.01       99.97
         67 |          1        0.01       99.98
         77 |          1        0.01       99.99
         95 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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