Frequencies for m_harm variable in vehnit dataset :

       MOST |
    HARMFUL |
      EVENT |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         14        1.10        1.10
          4 |          1        0.08        1.18
          5 |          1        0.08        1.26
          7 |          1        0.08        1.34
          8 |         25        1.97        3.30
          9 |          1        0.08        3.38
         12 |        901       70.83       74.21
         13 |          3        0.24       74.45
         14 |        235       18.47       92.92
         16 |          3        0.24       93.16
         18 |          2        0.16       93.32
         19 |          1        0.08       93.40
         30 |          1        0.08       93.47
         43 |          1        0.08       93.55
         45 |          9        0.71       94.26
         54 |         63        4.95       99.21
         55 |          5        0.39       99.61
         99 |          5        0.39      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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