Summary statistics for maneuver dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |     45,977    27.99911    16.23364          1         56
     st_case |     45,977      280630    162314.9      10001     560113
      veh_no |     45,977    1.429584    .8815862          1         31
    mdrmanav |     45,977    8.060944     26.3732          0         99

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