Frequencies for first 10,000 rows of pct012n139 variable in sf12010860us33 dataset :

   32 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,005       90.05       90.05
          1 |        592        5.92       95.97
          2 |        188        1.88       97.85
          3 |         87        0.87       98.72
          4 |         33        0.33       99.05
          5 |         27        0.27       99.32
          6 |         13        0.13       99.45
          7 |         10        0.10       99.55
          8 |          5        0.05       99.60
          9 |         13        0.13       99.73
         10 |          3        0.03       99.76
         11 |          1        0.01       99.77
         12 |          2        0.02       99.79
         13 |          6        0.06       99.85
         14 |          1        0.01       99.86
         15 |          2        0.02       99.88
         17 |          1        0.01       99.89
         18 |          1        0.01       99.90
         19 |          1        0.01       99.91
         20 |          1        0.01       99.92
         21 |          1        0.01       99.93
         22 |          1        0.01       99.94
         25 |          1        0.01       99.95
         30 |          1        0.01       99.96
         34 |          1        0.01       99.97
         41 |          1        0.01       99.98
         45 |          1        0.01       99.99
         58 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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