Frequencies for first 10,000 rows of MDCL_SCL_WORKR_VLNTR_CNT variable in pos2011 dataset :

    Medical |
     Social |
  Workers - |
  Volunteer |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        633        6.33        6.33
        .25 |          4        0.04        6.37
         .5 |          1        0.01        6.38
          1 |         14        0.14        6.52
          2 |          2        0.02        6.54
          3 |          2        0.02        6.56
        5.5 |          1        0.01        6.57
          8 |          1        0.01        6.58
          . |      9,342       93.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019