Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        708        1989           0       1989       1989
      veh_no |        708    1.341808    .6720133          1          7
     st_case |        708    430262.8    359.0741     421734     430547
      a_body |        708    2.281073    2.448643          1          9
      a_imp1 |        708    2.313559    .8446435          1          6
-------------+---------------------------------------------------------
      a_imp2 |        708    2.477401    1.093014          1          6
     a_vroll |        708     1.94774     .222708          1          2
     a_lic_s |        708    1.484463    .8466834          1          4
     a_lic_c |        708     1.34887    .6166354          1          3
     a_cdl_s |        708           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |        708    3.862994     .594304          1          4
     a_spveh |        708    1.639831    .4803888          1          2
      a_sbus |        708     2.99435    .1062236          1          3
    a_mod_yr |        708    2558.634     2074.46       1963       9999
     a_drdis |        708    1.997175    .0531118          1          2
-------------+---------------------------------------------------------
     a_drdro |        708    1.992938    .0837985          1          2

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