Frequencies for first 10,000 rows of mdcl_scl_workr_vlntr_cnt variable in pos20

      Staff |
     Count: |
    Medical |
     Social |
   Worker - |
    Volunte |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        670        6.70        6.70
        .15 |          1        0.01        6.71
        .25 |          4        0.04        6.75
         .5 |          1        0.01        6.76
          1 |         19        0.19        6.95
          2 |          2        0.02        6.97
          3 |          3        0.03        7.00
          . |      9,300       93.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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