Frequencies for first 10,000 rows of vlntr_cnt variable in pos1994 dataset :

 volunteers |
    - total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,792       97.92       97.92
        .02 |          1        0.01       97.93
        .05 |          1        0.01       97.94
        .14 |          1        0.01       97.95
        .23 |          1        0.01       97.96
        .25 |          5        0.05       98.01
         .3 |          1        0.01       98.02
         .5 |         12        0.12       98.14
         .7 |          1        0.01       98.15
        .75 |          7        0.07       98.22
         .8 |          1        0.01       98.23
         .9 |          2        0.02       98.25
          1 |         16        0.16       98.41
        1.2 |          1        0.01       98.42
       1.25 |          6        0.06       98.48
       1.27 |          1        0.01       98.49
        1.3 |          1        0.01       98.50
       1.34 |          1        0.01       98.51
       1.38 |          1        0.01       98.52
       1.43 |          1        0.01       98.53
       1.45 |          1        0.01       98.54
        1.5 |          6        0.06       98.60
        1.6 |          1        0.01       98.61
       1.75 |          4        0.04       98.65
        1.8 |          1        0.01       98.66
          2 |         13        0.13       98.79
       2.25 |          4        0.04       98.83
        2.5 |          2        0.02       98.85
        2.6 |          1        0.01       98.86
       2.75 |          2        0.02       98.88
       2.98 |          1        0.01       98.89
          3 |          8        0.08       98.97
       3.25 |          2        0.02       98.99
        3.5 |          1        0.01       99.00
       3.75 |          1        0.01       99.01
          4 |          6        0.06       99.07
        4.4 |          1        0.01       99.08
        4.5 |          4        0.04       99.12
          5 |          5        0.05       99.17
       5.25 |          1        0.01       99.18
       5.75 |          1        0.01       99.19
          6 |          2        0.02       99.21
       6.25 |          3        0.03       99.24
          7 |          2        0.02       99.26
       7.25 |          1        0.01       99.27
       7.75 |          3        0.03       99.30
          8 |          6        0.06       99.36
       8.25 |          1        0.01       99.37
        8.5 |          1        0.01       99.38
       9.25 |          1        0.01       99.39
        9.5 |          1        0.01       99.40
         10 |          6        0.06       99.46
      10.25 |          1        0.01       99.47
         11 |          3        0.03       99.50
       11.2 |          1        0.01       99.51
      11.35 |          1        0.01       99.52
         12 |          1        0.01       99.53
         13 |          1        0.01       99.54
         14 |          1        0.01       99.55
         15 |          3        0.03       99.58
         16 |          3        0.03       99.61
         17 |          2        0.02       99.63
         18 |          1        0.01       99.64
         20 |          4        0.04       99.68
      20.25 |          1        0.01       99.69
         22 |          1        0.01       99.70
         23 |          1        0.01       99.71
         26 |          2        0.02       99.73
      26.73 |          1        0.01       99.74
         27 |          1        0.01       99.75
         28 |          1        0.01       99.76
      30.25 |          1        0.01       99.77
         34 |          1        0.01       99.78
         35 |          2        0.02       99.80
      37.35 |          1        0.01       99.81
         38 |          1        0.01       99.82
         40 |          1        0.01       99.83
         42 |          1        0.01       99.84
         43 |          1        0.01       99.85
         45 |          1        0.01       99.86
         48 |          1        0.01       99.87
         49 |          1        0.01       99.88
         57 |          1        0.01       99.89
         65 |          1        0.01       99.90
         66 |          1        0.01       99.91
         70 |          1        0.01       99.92
         76 |          1        0.01       99.93
         90 |          1        0.01       99.94
        100 |          1        0.01       99.95
        101 |          1        0.01       99.96
        109 |          1        0.01       99.97
      128.1 |          1        0.01       99.98
        130 |          1        0.01       99.99
     207.25 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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