Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        544        2008           0       2008       2008
      veh_no |        544    1.369485    .6574876          1          5
     st_case |        544    430194.9    110.1702     430001     430385
      a_body |        544    3.115809    2.613784          1          9
      a_imp1 |        544      2.5625    1.070167          1          5
-------------+---------------------------------------------------------
      a_imp2 |        544    2.681985    1.233348          1          6
     a_vroll |        544    1.952206    .2135267          1          2
     a_lic_s |        544    1.665441    1.133055          1          4
     a_lic_c |        544    1.266544    .5763144          1          3
     a_cdl_s |        544    2.064338    .2601464          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        544    3.580882    .9994853          1          4
     a_spveh |        544    1.722426     .448214          1          2
      a_sbus |        544           3           0          3          3
    a_mod_yr |        544    2498.704    1938.361       1973       9999
     a_drdis |        544           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        544    1.994485    .0741242          1          2

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