Frequencies for first 10,000 rows of pct012g142 variable in sf12010860us26 dataset :

   35 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,490       64.90       64.90
          1 |      1,255       12.55       77.45
          2 |        597        5.97       83.42
          3 |        379        3.79       87.21
          4 |        245        2.45       89.66
          5 |        225        2.25       91.91
          6 |        138        1.38       93.29
          7 |        108        1.08       94.37
          8 |        102        1.02       95.39
          9 |         55        0.55       95.94
         10 |         65        0.65       96.59
         11 |         36        0.36       96.95
         12 |         52        0.52       97.47
         13 |         41        0.41       97.88
         14 |         23        0.23       98.11
         15 |         24        0.24       98.35
         16 |         26        0.26       98.61
         17 |         15        0.15       98.76
         18 |         20        0.20       98.96
         19 |         16        0.16       99.12
         20 |         10        0.10       99.22
         21 |          7        0.07       99.29
         22 |          7        0.07       99.36
         23 |          7        0.07       99.43
         24 |          7        0.07       99.50
         25 |          7        0.07       99.57
         26 |          6        0.06       99.63
         27 |          2        0.02       99.65
         28 |          5        0.05       99.70
         29 |          5        0.05       99.75
         30 |          5        0.05       99.80
         31 |          1        0.01       99.81
         32 |          3        0.03       99.84
         33 |          2        0.02       99.86
         34 |          1        0.01       99.87
         35 |          2        0.02       99.89
         36 |          4        0.04       99.93
         41 |          1        0.01       99.94
         42 |          1        0.01       99.95
         43 |          1        0.01       99.96
         44 |          1        0.01       99.97
         46 |          1        0.01       99.98
         53 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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