Frequencies for first 10,000 rows of pct012k013 variable in sf12000860us26 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,798       87.98       87.98
          1 |        859        8.59       96.57
          2 |        192        1.92       98.49
          3 |         64        0.64       99.13
          4 |         25        0.25       99.38
          5 |         17        0.17       99.55
          6 |         12        0.12       99.67
          7 |          7        0.07       99.74
          8 |          4        0.04       99.78
          9 |          3        0.03       99.81
         10 |          3        0.03       99.84
         11 |          2        0.02       99.86
         12 |          2        0.02       99.88
         13 |          1        0.01       99.89
         19 |          1        0.01       99.90
         28 |          1        0.01       99.91
         31 |          1        0.01       99.92
         37 |          2        0.02       99.94
         39 |          1        0.01       99.95
         58 |          1        0.01       99.96
         63 |          2        0.02       99.98
         88 |          1        0.01       99.99
         91 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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