Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        732        1986           0       1986       1986
      veh_no |        732    1.308743    .5563021          1          4
     st_case |        732    430291.7    172.0548     430001     430587
      a_body |        732    2.329235    2.499153          1          9
      a_imp1 |        732    2.554645    1.369401          1          7
-------------+---------------------------------------------------------
      a_imp2 |        732     2.57377    1.391304          1          7
     a_vroll |        732     1.93306    .2500888          1          2
     a_lic_s |        732    1.434426    .8202736          1          4
     a_lic_c |        732     1.31694    .6238203          1          3
     a_cdl_s |        732           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |        732     3.95765    .2015235          3          4
     a_spveh |        732    1.625683    .4842769          1          2
      a_sbus |        732           3           0          3          3
    a_mod_yr |        732    2570.855    2097.783       1958       9999
     a_drdis |        732           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        732    1.995902    .0639308          1          2

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