Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        776        1996           0       1996       1996
      veh_no |        776    1.335052    .5575136          1          4
     st_case |        776    430278.4    158.3981     430001     430553
      a_body |        776    2.384021    2.372847          1          9
      a_imp1 |        776    2.512887    1.031048          1          6
-------------+---------------------------------------------------------
      a_imp2 |        776    2.652062    1.224511          1          6
     a_vroll |        776     1.94201    .2338747          1          2
     a_lic_s |        776    1.377577    .7640046          1          4
     a_lic_c |        776     1.30799     .587384          1          3
     a_cdl_s |        776    2.064433    .2508781          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        776    3.900773    .5197512          1          4
     a_spveh |        776    1.661082    .4736471          1          2
      a_sbus |        776    2.997423    .0717958          1          3
    a_mod_yr |        776    2482.878    1931.217       1964       9999
     a_drdis |        776    1.998711    .0358979          1          2
-------------+---------------------------------------------------------
     a_drdro |        776    1.992268    .0876474          1          2

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