Frequencies for first 10,000 rows of pct012k123 variable in sf12000860us26 dataset :

   16 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,862       88.62       88.62
          1 |        836        8.36       96.98
          2 |        173        1.73       98.71
          3 |         57        0.57       99.28
          4 |         21        0.21       99.49
          5 |         19        0.19       99.68
          6 |          4        0.04       99.72
          7 |          6        0.06       99.78
          8 |          7        0.07       99.85
          9 |          2        0.02       99.87
         10 |          1        0.01       99.88
         15 |          1        0.01       99.89
         18 |          1        0.01       99.90
         23 |          1        0.01       99.91
         26 |          2        0.02       99.93
         35 |          1        0.01       99.94
         39 |          1        0.01       99.95
         48 |          1        0.01       99.96
         55 |          1        0.01       99.97
         62 |          1        0.01       99.98
         68 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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