Frequencies for first 10,000 rows of pct012c120 variable in sf12010860us22 dataset :

   13 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,429       84.29       84.29
          1 |        968        9.68       93.97
          2 |        306        3.06       97.03
          3 |        126        1.26       98.29
          4 |         66        0.66       98.95
          5 |         34        0.34       99.29
          6 |         16        0.16       99.45
          7 |         15        0.15       99.60
          8 |          7        0.07       99.67
          9 |          5        0.05       99.72
         10 |          5        0.05       99.77
         11 |          3        0.03       99.80
         12 |          4        0.04       99.84
         13 |          3        0.03       99.87
         14 |          1        0.01       99.88
         15 |          1        0.01       99.89
         17 |          1        0.01       99.90
         22 |          1        0.01       99.91
         23 |          1        0.01       99.92
         26 |          1        0.01       99.93
         35 |          1        0.01       99.94
         45 |          1        0.01       99.95
         48 |          1        0.01       99.96
         50 |          1        0.01       99.97
         77 |          1        0.01       99.98
         85 |          1        0.01       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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