Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        472        2009           0       2009       2009
      veh_no |        472    1.347458    .6500318          1          5
     st_case |        472    430168.6    98.95098     430001     430347
      a_body |        472    3.052966    2.666803          1          9
      a_imp1 |        472    2.586864    1.071181          1          5
-------------+---------------------------------------------------------
      a_imp2 |        472    2.699153    1.223687          1          6
     a_vroll |        472    1.963983      .18653          1          2
     a_lic_s |        472    1.591102    1.056858          1          4
     a_lic_c |        472     1.29661    .6121116          1          3
     a_cdl_s |        472    2.080508    .2800541          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        472    3.680085    .8895391          1          4
     a_spveh |        472    1.705508    .4562975          1          2
      a_sbus |        472    2.995763    .0920575          1          3
    a_mod_yr |        472    2609.042    2125.754       1962       9999
     a_drdis |        472    1.997881    .0460287          1          2
-------------+---------------------------------------------------------
     a_drdro |        472    1.993644    .0795547          1          2

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