Frequencies for first 10,000 rows of pct012c013 variable in sf12000860us18 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,509       85.09       85.09
          1 |        964        9.64       94.73
          2 |        268        2.68       97.41
          3 |        102        1.02       98.43
          4 |         55        0.55       98.98
          5 |         30        0.30       99.28
          6 |         20        0.20       99.48
          7 |          6        0.06       99.54
          8 |          9        0.09       99.63
          9 |          6        0.06       99.69
         10 |          4        0.04       99.73
         11 |         10        0.10       99.83
         12 |          2        0.02       99.85
         13 |          2        0.02       99.87
         15 |          2        0.02       99.89
         19 |          1        0.01       99.90
         28 |          1        0.01       99.91
         31 |          1        0.01       99.92
         37 |          1        0.01       99.93
         38 |          1        0.01       99.94
         39 |          1        0.01       99.95
         58 |          1        0.01       99.96
         63 |          2        0.02       99.98
         89 |          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