Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        601        2005           0       2005       2005
      veh_no |        601    1.319468    .5637113          1          4
     st_case |        601    430220.2    126.7844     430001     430437
      a_body |        601    3.118136    2.630783          1          9
      a_imp1 |        601    2.628952    1.169228          1          6
-------------+---------------------------------------------------------
      a_imp2 |        601    2.792013    1.337287          1          6
     a_vroll |        601    1.935108    .2465401          1          2
     a_lic_s |        601    1.657238    1.126492          1          4
     a_lic_c |        601    1.252912    .5937977          1          3
     a_cdl_s |        601    2.079867    .2773878          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        601    3.584027    1.014895          1          4
     a_spveh |        601    1.655574    .4755765          1          2
      a_sbus |        601    2.996672    .0815817          1          3
    a_mod_yr |        601    2515.842    1972.938       1964       9999
     a_drdis |        601           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        601    1.995008     .070534          1          2

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