Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        725        1999           0       1999       1999
      veh_no |        725    1.295172    .5187548          1          4
     st_case |        725    430269.6     154.242     430002     430538
      a_body |        725    2.497931    2.431165          1          9
      a_imp1 |        725    2.591724    1.113175          1          5
-------------+---------------------------------------------------------
      a_imp2 |        725    2.693793    1.247108          1          6
     a_vroll |        725    1.947586    .2230139          1          2
     a_lic_s |        725    1.398621    .8374839          1          4
     a_lic_c |        725    1.277241    .5891216          1          3
     a_cdl_s |        725    2.070345    .2664801          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        725    3.851034    .6393104          1          4
     a_spveh |        725    1.646897    .4782645          1          2
      a_sbus |        725    2.994483    .1049726          1          3
    a_mod_yr |        725    2575.756    2086.165       1962       9999
     a_drdis |        725    1.998621    .0371391          1          2
-------------+---------------------------------------------------------
     a_drdro |        725    1.998621    .0371391          1          2

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