Frequencies for first 10,000 rows of pct012g016 variable in sf12010880us26 dataset :

   13 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,968       59.68       59.68
          1 |      1,274       12.74       72.42
          2 |        616        6.16       78.58
          3 |        416        4.16       82.74
          4 |        283        2.83       85.57
          5 |        238        2.38       87.95
          6 |        178        1.78       89.73
          7 |        158        1.58       91.31
          8 |        134        1.34       92.65
          9 |        117        1.17       93.82
         10 |         86        0.86       94.68
         11 |         69        0.69       95.37
         12 |         57        0.57       95.94
         13 |         53        0.53       96.47
         14 |         53        0.53       97.00
         15 |         55        0.55       97.55
         16 |         34        0.34       97.89
         17 |         31        0.31       98.20
         18 |         24        0.24       98.44
         19 |         17        0.17       98.61
         20 |         13        0.13       98.74
         21 |         11        0.11       98.85
         22 |         11        0.11       98.96
         23 |         16        0.16       99.12
         24 |          9        0.09       99.21
         25 |         17        0.17       99.38
         26 |          8        0.08       99.46
         27 |          7        0.07       99.53
         28 |          5        0.05       99.58
         29 |          2        0.02       99.60
         30 |          5        0.05       99.65
         31 |          7        0.07       99.72
         32 |          4        0.04       99.76
         33 |          1        0.01       99.77
         34 |          2        0.02       99.79
         35 |          4        0.04       99.83
         36 |          3        0.03       99.86
         38 |          4        0.04       99.90
         40 |          2        0.02       99.92
         41 |          1        0.01       99.93
         43 |          1        0.01       99.94
         44 |          1        0.01       99.95
         45 |          1        0.01       99.96
         47 |          1        0.01       99.97
         50 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017