Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     61,805    271369.9      160573      10001     560107
      veh_no |     61,805    1.246097    .9318128          0         30
      per_no |     61,805    1.018235    .2066953          1         11
        year |     61,805        1991           0       1991       1991
          p1 |     61,805    5.369808    9.166023          0         88
-------------+---------------------------------------------------------
          p2 |     61,805    5.336364    9.153668          0         88
          p3 |     61,805    5.363547    9.176033          0         88
          p4 |     61,805    5.349519    9.153778          0         88
          p5 |     61,805    5.405582    9.171891          0         88
          p6 |     61,805    5.412394    9.192144          0         88
-------------+---------------------------------------------------------
          p7 |     61,805    5.362576    9.164152          0         88
          p8 |     61,805     5.34769    9.152205          0         88
          p9 |     61,805    5.315314     9.13139          0         88
         p10 |     61,805    5.310719    9.122086          0         88

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