Frequencies for first 10,000 rows of pct012c119 variable in sf12000860us18 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,614       86.14       86.14
          1 |        920        9.20       95.34
          2 |        251        2.51       97.85
          3 |         90        0.90       98.75
          4 |         42        0.42       99.17
          5 |         21        0.21       99.38
          6 |         14        0.14       99.52
          7 |          9        0.09       99.61
          8 |          9        0.09       99.70
          9 |          6        0.06       99.76
         10 |          6        0.06       99.82
         11 |          1        0.01       99.83
         12 |          3        0.03       99.86
         13 |          2        0.02       99.88
         15 |          1        0.01       99.89
         16 |          1        0.01       99.90
         27 |          1        0.01       99.91
         32 |          1        0.01       99.92
         33 |          1        0.01       99.93
         36 |          1        0.01       99.94
         42 |          1        0.01       99.95
         47 |          1        0.01       99.96
         49 |          1        0.01       99.97
         72 |          1        0.01       99.98
         73 |          1        0.01       99.99
         85 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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