Frequencies for first 10,000 rows of pct012o015 variable in sf12010860us34 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,482       54.82       54.82
          1 |      1,473       14.73       69.55
          2 |        798        7.98       77.53
          3 |        477        4.77       82.30
          4 |        391        3.91       86.21
          5 |        275        2.75       88.96
          6 |        227        2.27       91.23
          7 |        189        1.89       93.12
          8 |        155        1.55       94.67
          9 |        106        1.06       95.73
         10 |         69        0.69       96.42
         11 |         74        0.74       97.16
         12 |         55        0.55       97.71
         13 |         45        0.45       98.16
         14 |         23        0.23       98.39
         15 |         27        0.27       98.66
         16 |         24        0.24       98.90
         17 |         25        0.25       99.15
         18 |         25        0.25       99.40
         19 |          7        0.07       99.47
         20 |          8        0.08       99.55
         21 |          9        0.09       99.64
         22 |          4        0.04       99.68
         23 |          7        0.07       99.75
         24 |          3        0.03       99.78
         25 |          4        0.04       99.82
         26 |          2        0.02       99.84
         27 |          4        0.04       99.88
         28 |          5        0.05       99.93
         30 |          1        0.01       99.94
         32 |          2        0.02       99.96
         34 |          2        0.02       99.98
         36 |          1        0.01       99.99
         42 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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