Frequencies for mtm_crsh variable in nmcrash dataset :

non-motoris |
          t |
contributin |
          g |
circumstanc |
         es |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,941       24.73       24.73
          1 |        179        2.28       27.01
          2 |      1,547       19.71       46.72
          3 |        279        3.55       50.27
          4 |        804       10.24       60.52
          5 |         37        0.47       60.99
          6 |        125        1.59       62.58
          7 |         36        0.46       63.04
          8 |          2        0.03       63.07
          9 |        102        1.30       64.36
         10 |         23        0.29       64.66
         11 |        493        6.28       70.94
         12 |        746        9.50       80.44
         13 |         12        0.15       80.60
         14 |         23        0.29       80.89
         15 |         13        0.17       81.05
         16 |          8        0.10       81.16
         17 |          9        0.11       81.27
         18 |          4        0.05       81.32
         19 |        892       11.36       92.69
         20 |          1        0.01       92.70
         21 |        152        1.94       94.64
         99 |        421        5.36      100.00
------------+-----------------------------------
      Total |      7,849      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016