Frequencies for first 10,000 rows of pct012k150 variable in sf12000860us26 dataset :

   43 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,669       86.69       86.69
          1 |        957        9.57       96.26
          2 |        243        2.43       98.69
          3 |         64        0.64       99.33
          4 |         27        0.27       99.60
          5 |         14        0.14       99.74
          6 |          4        0.04       99.78
          7 |          6        0.06       99.84
          8 |          3        0.03       99.87
          9 |          2        0.02       99.89
         11 |          1        0.01       99.90
         19 |          2        0.02       99.92
         23 |          1        0.01       99.93
         32 |          2        0.02       99.95
         33 |          1        0.01       99.96
         35 |          1        0.01       99.97
         66 |          1        0.01       99.98
         70 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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