Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        718        1992           0       1992       1992
      veh_no |        718    1.324513    .5850158          1          5
     st_case |        718    430265.8    152.1217     430001     430529
      a_body |        718    2.324513    2.412597          1          9
      a_imp1 |        718    2.440111    1.016547          1          6
-------------+---------------------------------------------------------
      a_imp2 |        718    2.520891    1.135939          1          6
     a_vroll |        718    1.947075    .2240394          1          2
     a_lic_s |        718    1.454039    .8027005          1          4
     a_lic_c |        718    1.359331    .6128477          1          3
     a_cdl_s |        718           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |        718    3.889972    .5364117          1          4
     a_spveh |        718    1.635097    .4817384          1          2
      a_sbus |        718    2.995822    .0834027          1          3
    a_mod_yr |        718     2519.45    2003.379       1954       9999
     a_drdis |        718           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        718    1.994429     .074483          1          2

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