Frequencies for first 10,000 rows of pct012g122 variable in sf12000860us22 dataset :

   15 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,275       62.75       62.75
          1 |      1,417       14.17       76.92
          2 |        645        6.45       83.37
          3 |        405        4.05       87.42
          4 |        260        2.60       90.02
          5 |        193        1.93       91.95
          6 |        143        1.43       93.38
          7 |        106        1.06       94.44
          8 |         92        0.92       95.36
          9 |         58        0.58       95.94
         10 |         63        0.63       96.57
         11 |         46        0.46       97.03
         12 |         32        0.32       97.35
         13 |         40        0.40       97.75
         14 |         25        0.25       98.00
         15 |         20        0.20       98.20
         16 |         15        0.15       98.35
         17 |         20        0.20       98.55
         18 |         18        0.18       98.73
         19 |         12        0.12       98.85
         20 |          9        0.09       98.94
         21 |          6        0.06       99.00
         22 |          7        0.07       99.07
         23 |          7        0.07       99.14
         24 |         10        0.10       99.24
         25 |          7        0.07       99.31
         26 |          8        0.08       99.39
         27 |         10        0.10       99.49
         28 |          6        0.06       99.55
         29 |          5        0.05       99.60
         30 |          8        0.08       99.68
         31 |          2        0.02       99.70
         32 |          1        0.01       99.71
         33 |          4        0.04       99.75
         35 |          2        0.02       99.77
         36 |          4        0.04       99.81
         37 |          2        0.02       99.83
         38 |          2        0.02       99.85
         39 |          2        0.02       99.87
         40 |          2        0.02       99.89
         42 |          2        0.02       99.91
         43 |          1        0.01       99.92
         44 |          1        0.01       99.93
         45 |          2        0.02       99.95
         47 |          1        0.01       99.96
         48 |          1        0.01       99.97
         50 |          1        0.01       99.98
         54 |          1        0.01       99.99
         55 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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