Frequencies for first 10,000 rows of pct012g131 variable in sf12000860us22 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,025       70.25       70.25
          1 |      1,116       11.16       81.41
          2 |        466        4.66       86.07
          3 |        305        3.05       89.12
          4 |        194        1.94       91.06
          5 |        140        1.40       92.46
          6 |        131        1.31       93.77
          7 |         91        0.91       94.68
          8 |         66        0.66       95.34
          9 |         52        0.52       95.86
         10 |         48        0.48       96.34
         11 |         39        0.39       96.73
         12 |         36        0.36       97.09
         13 |         26        0.26       97.35
         14 |         20        0.20       97.55
         15 |         23        0.23       97.78
         16 |         21        0.21       97.99
         17 |         16        0.16       98.15
         18 |         16        0.16       98.31
         19 |         13        0.13       98.44
         20 |         13        0.13       98.57
         21 |         11        0.11       98.68
         22 |         12        0.12       98.80
         23 |          9        0.09       98.89
         24 |         13        0.13       99.02
         25 |         16        0.16       99.18
         26 |          4        0.04       99.22
         27 |          4        0.04       99.26
         28 |          3        0.03       99.29
         29 |          7        0.07       99.36
         30 |          7        0.07       99.43
         31 |          3        0.03       99.46
         32 |          1        0.01       99.47
         33 |          8        0.08       99.55
         34 |          4        0.04       99.59
         35 |          4        0.04       99.63
         36 |          3        0.03       99.66
         37 |          4        0.04       99.70
         38 |          5        0.05       99.75
         39 |          4        0.04       99.79
         40 |          1        0.01       99.80
         42 |          2        0.02       99.82
         43 |          1        0.01       99.83
         45 |          1        0.01       99.84
         46 |          1        0.01       99.85
         47 |          3        0.03       99.88
         48 |          1        0.01       99.89
         49 |          2        0.02       99.91
         50 |          1        0.01       99.92
         51 |          1        0.01       99.93
         56 |          3        0.03       99.96
         58 |          1        0.01       99.97
         60 |          1        0.01       99.98
         66 |          1        0.01       99.99
         77 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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