Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        482        2011           0       2011       2011
     st_case |        482    430174.7    99.90208     430001     430343
      veh_no |        482    1.358921    .6430609          1          6
      a_body |        482    2.736515    2.304988          1          9
      a_imp1 |        482     2.66805     1.13248          1          5
-------------+---------------------------------------------------------
      a_imp2 |        482    2.821577     1.31571          1          6
     a_vroll |        482    1.946058    .2261377          1          2
     a_lic_s |        482    1.491701    .9973633          1          4
     a_lic_c |        482    1.232365    .5238096          1          3
     a_cdl_s |        482    2.047718    .2133901          2          3
-------------+---------------------------------------------------------
    a_mc_l_s |        482    3.705394    .8605056          1          4
     a_spveh |        482    1.728216    .4453415          1          2
      a_sbus |        482           3           0          3          3
    a_mod_yr |        482    2382.149    1706.819       1975       9999
     a_drdis |        482           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        482           2           0          2          2

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