Frequencies for first 10,000 rows of prov1480 variable in pos1998 dataset :

 counselors |
- volunteer |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,860       98.60       98.60
        .01 |          1        0.01       98.61
        .04 |          1        0.01       98.62
         .1 |          3        0.03       98.65
        .11 |          1        0.01       98.66
        .13 |          1        0.01       98.67
        .14 |          1        0.01       98.68
        .15 |          1        0.01       98.69
         .2 |          1        0.01       98.70
        .25 |         33        0.33       99.03
         .3 |          1        0.01       99.04
        .33 |          1        0.01       99.05
        .35 |          1        0.01       99.06
         .4 |          1        0.01       99.07
         .5 |         15        0.15       99.22
        .75 |          2        0.02       99.24
          1 |         40        0.40       99.64
       1.25 |          1        0.01       99.65
       1.75 |          1        0.01       99.66
          2 |         12        0.12       99.78
          3 |          4        0.04       99.82
        3.5 |          2        0.02       99.84
          4 |          4        0.04       99.88
          5 |          4        0.04       99.92
          8 |          3        0.03       99.95
         11 |          1        0.01       99.96
         15 |          2        0.02       99.98
         41 |          1        0.01       99.99
        344 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016