Frequencies for first 10,000 rows of pct012n007 variable in sf12000860us29 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,672       86.72       86.72
          1 |        862        8.62       95.34
          2 |        240        2.40       97.74
          3 |        107        1.07       98.81
          4 |         50        0.50       99.31
          5 |         22        0.22       99.53
          6 |         12        0.12       99.65
          7 |          4        0.04       99.69
          8 |          3        0.03       99.72
          9 |          5        0.05       99.77
         10 |          1        0.01       99.78
         12 |          5        0.05       99.83
         13 |          1        0.01       99.84
         14 |          3        0.03       99.87
         15 |          3        0.03       99.90
         16 |          1        0.01       99.91
         17 |          1        0.01       99.92
         19 |          2        0.02       99.94
         22 |          1        0.01       99.95
         27 |          1        0.01       99.96
         28 |          1        0.01       99.97
         33 |          1        0.01       99.98
         50 |          1        0.01       99.99
         51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017