Summary statistics for safetyeq dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        130          43           0         43         43
     st_case |        130    430172.1    97.02838     430001     430333
      veh_no |        130           0           0          0          0
      per_no |        130    1.115385    .5078396          1          5
    msafeqmt |        130           1           0          1          1

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