Summary statistics for nmcrash dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |      7,687    24.63588    16.11418          1         56
     st_case |      7,687    247126.6    160987.9      10012     560074
      veh_no |      7,687           0           0          0          0
      per_no |      7,687    1.102251    .4493079          1          9
    mtm_crsh |      7,687    12.13334    24.04604          0         99

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