Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        761        1993           0       1993       1993
      veh_no |        761    1.320631    .5709711          1          4
     st_case |        761    430285.7    161.8612     430001     430567
      a_body |        761    2.400788    2.521685          1          9
      a_imp1 |        761    2.425756    .9774128          1          6
-------------+---------------------------------------------------------
      a_imp2 |        761    2.544021     1.13368          1          6
     a_vroll |        761    1.952694    .2124326          1          2
     a_lic_s |        761     1.47569    .8157982          1          4
     a_lic_c |        761     1.38502    .6450104          1          3
     a_cdl_s |        761    2.082786    .2986472          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        761    3.896189    .5216358          1          4
     a_spveh |        761    1.659658    .4741357          1          2
      a_sbus |        761    2.992116    .1254082          1          3
    a_mod_yr |        761    2658.729    2225.731       1960       9999
     a_drdis |        761    1.998686      .03625          1          2
-------------+---------------------------------------------------------
     a_drdro |        761     1.99343    .0808438          1          2

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