Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        781        1994           0       1994       1994
      veh_no |        781    1.396927    .6951781          1          5
     st_case |        781    430273.1    158.8509     430001     430550
      a_body |        781    2.257362     2.27508          1          9
      a_imp1 |        781    2.490397    1.021046          1          5
-------------+---------------------------------------------------------
      a_imp2 |        781     2.59411    1.165934          1          6
     a_vroll |        781    1.953905    .2098247          1          2
     a_lic_s |        781    1.460948    .8259097          1          4
     a_lic_c |        781    1.349552    .6197315          1          3
     a_cdl_s |        781    2.076825    .2712519          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        781     3.87452    .5792379          1          4
     a_spveh |        781    1.672215    .4697068          1          2
      a_sbus |        781           3           0          3          3
    a_mod_yr |        781    2426.973    1828.936       1964       9999
     a_drdis |        781     1.99872    .0357828          1          2
-------------+---------------------------------------------------------
     a_drdro |        781    1.994878    .0714279          1          2

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