Summary statistics for vevent dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        574          43           0         43         43
     st_case |        574    430138.1    82.94222     430001     430288
    eventnum |        574    1.559233    .9109438          1          7
      veh_no |        574    1.268293    .5425731          1          4
   veventnum |        574    1.444251     .746973          1          5
-------------+---------------------------------------------------------
    vnumber1 |        574    1.071429    .3071897          1          3
        aoi1 |        574    17.14808    17.62715          0         55
         soe |        574    26.85192    25.85003          1         79
    vnumber2 |        574    6333.892    4817.029          2       9999
        aoi2 |        574    51.99652    32.93571          2         77

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