Frequencies for first 10,000 rows of pct012n050 variable in sf12010860us33 dataset :

   47 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,191       91.91       91.91
          1 |        539        5.39       97.30
          2 |        139        1.39       98.69
          3 |         54        0.54       99.23
          4 |         26        0.26       99.49
          5 |          9        0.09       99.58
          6 |         11        0.11       99.69
          7 |          4        0.04       99.73
          8 |          4        0.04       99.77
          9 |          1        0.01       99.78
         10 |          2        0.02       99.80
         11 |          4        0.04       99.84
         12 |          2        0.02       99.86
         13 |          2        0.02       99.88
         15 |          1        0.01       99.89
         16 |          2        0.02       99.91
         20 |          1        0.01       99.92
         21 |          1        0.01       99.93
         27 |          1        0.01       99.94
         29 |          1        0.01       99.95
         32 |          1        0.01       99.96
         33 |          1        0.01       99.97
         34 |          1        0.01       99.98
         35 |          1        0.01       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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