Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        764        1995           0       1995       1995
      veh_no |        764    1.324607    .5579139          1          4
     st_case |        764    430271.1    157.7894     430001     430548
      a_body |        764    2.336387    2.376311          1          9
      a_imp1 |        764    2.496073    1.075759          1          6
-------------+---------------------------------------------------------
      a_imp2 |        764    2.590314    1.186848          1          6
     a_vroll |        764    1.946335    .2255029          1          2
     a_lic_s |        764    1.421466    .8048737          1          4
     a_lic_c |        764    1.329843    .6045693          1          3
     a_cdl_s |        764     2.07199    .2586399          2          3
-------------+---------------------------------------------------------
    a_mc_l_s |        764    3.890052    .5280648          1          4
     a_spveh |        764    1.640052    .4802992          1          2
      a_sbus |        764    2.997382    .0723575          1          3
    a_mod_yr |        764    2500.512    1964.288       1965       9999
     a_drdis |        764    1.997382    .0511309          1          2
-------------+---------------------------------------------------------
     a_drdro |        764    1.993455    .0806858          1          2

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