Summary statistics for safetyeq dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |      6,379     24.9942    16.28368          1         56
     st_case |      6,379    250718.1    162708.8      10015     560111
      veh_no |      6,379           0           0          0          0
      per_no |      6,379    1.207086    1.103704          1         21
    msafeqmt |      6,379    3.430945    3.307307          1          9

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