Summary statistics for safetyeq dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |      6,187    25.17682    16.08684          1         56
     st_case |      6,187    252542.3    160742.2      10012     560074
      veh_no |      6,187           0           0          0          0
      per_no |      6,187     1.12203    .4955129          1          9
    msafeqmt |      6,187    2.912559    3.086575          1          9

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