Frequencies for first 10,000 rows of rn_vlntr_cnt variable in pos2012 dataset :

 Registered |
   Nurses - |
  Volunteer |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        622        6.22        6.22
        .01 |          1        0.01        6.23
         .2 |          1        0.01        6.24
        .25 |          1        0.01        6.25
         .5 |          3        0.03        6.28
        .75 |          1        0.01        6.29
          1 |         17        0.17        6.46
       1.25 |          1        0.01        6.47
          2 |         11        0.11        6.58
          3 |          5        0.05        6.63
          4 |          3        0.03        6.66
         26 |          1        0.01        6.67
          . |      9,333       93.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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