Summary statistics for safetyeq dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        136          43           0         43         43
     st_case |        136    430169.5    84.04699     430002     430298
      veh_no |        136           0           0          0          0
      per_no |        136        1.25    .7576768          1          6
    msafeqmt |        136           1           0          1          1

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