Frequencies for first 10,000 rows of pct013c030 variable in sf12000860us31 dataset :

   15 to 17 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,370       73.70       73.70
          1 |      1,385       13.85       87.55
          2 |        517        5.17       92.72
          3 |        266        2.66       95.38
          4 |        147        1.47       96.85
          5 |         84        0.84       97.69
          6 |         55        0.55       98.24
          7 |         28        0.28       98.52
          8 |         15        0.15       98.67
          9 |         19        0.19       98.86
         10 |         16        0.16       99.02
         11 |         14        0.14       99.16
         12 |         14        0.14       99.30
         13 |          7        0.07       99.37
         14 |          7        0.07       99.44
         15 |          4        0.04       99.48
         16 |          6        0.06       99.54
         17 |          7        0.07       99.61
         18 |          3        0.03       99.64
         19 |          1        0.01       99.65
         20 |          7        0.07       99.72
         21 |          2        0.02       99.74
         22 |          5        0.05       99.79
         23 |          3        0.03       99.82
         24 |          1        0.01       99.83
         25 |          1        0.01       99.84
         28 |          1        0.01       99.85
         31 |          1        0.01       99.86
         33 |          2        0.02       99.88
         36 |          1        0.01       99.89
         58 |          1        0.01       99.90
         71 |          1        0.01       99.91
         74 |          1        0.01       99.92
         89 |          1        0.01       99.93
        114 |          1        0.01       99.94
        115 |          1        0.01       99.95
        130 |          1        0.01       99.96
        161 |          1        0.01       99.97
        185 |          1        0.01       99.98
        235 |          1        0.01       99.99
        259 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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