Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        660        2006           0       2006       2006
      veh_no |        660    1.319697    .6559451          1          8
     st_case |        660    430240.6    140.1076     430001     430487
      a_body |        660     3.20303    2.651994          1          9
      a_imp1 |        660    2.572727    1.121935          1          5
-------------+---------------------------------------------------------
      a_imp2 |        660    2.677273    1.277955          1          6
     a_vroll |        660    1.937879    .2415586          1          2
     a_lic_s |        660    1.701515    1.173945          1          4
     a_lic_c |        660    1.225758    .5360482          1          3
     a_cdl_s |        660     2.05303    .2374112          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        660    3.501515    1.091419          1          4
     a_spveh |        660    1.687879    .4637104          1          2
      a_sbus |        660           3           0          3          3
    a_mod_yr |        660    2518.252    1976.373       1969       9999
     a_drdis |        660           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        660    1.992424    .0867743          1          2

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