Frequencies for m_harm variable in vehnit dataset :

       MOST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         17        1.15        1.15
          7 |          1        0.07        1.22
          8 |         35        2.36        3.58
          9 |          1        0.07        3.65
         12 |      1,091       73.67       77.31
         13 |          8        0.54       77.85
         14 |        258       17.42       95.27
         16 |          7        0.47       95.75
         18 |          3        0.20       95.95
         23 |          2        0.14       96.08
         28 |          1        0.07       96.15
         38 |          1        0.07       96.22
         39 |          1        0.07       96.29
         42 |          1        0.07       96.35
         45 |          7        0.47       96.83
         47 |          3        0.20       97.03
         54 |         31        2.09       99.12
         55 |         10        0.68       99.80
         99 |          3        0.20      100.00
------------+-----------------------------------
      Total |      1,481      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016