Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        711        1985           0       1985       1985
      veh_no |        711    1.296765    .5721008          1          5
     st_case |        711    430301.9    178.7213     430001     430600
      a_body |        711     2.57384    2.738837          1          9
      a_imp1 |        711    2.627286    1.454585          1          7
-------------+---------------------------------------------------------
      a_imp2 |        711    2.631505    1.454209          1          7
     a_vroll |        711    1.931083    .2534913          1          2
     a_lic_s |        711     1.43038    .7712289          1          4
     a_lic_c |        711    1.364276    .6571949          1          3
     a_cdl_s |        711           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |        711    3.974684    .1571951          3          4
     a_spveh |        711    1.600563    .4901276          1          2
      a_sbus |        711           3           0          3          3
    a_mod_yr |        711    2756.322     2376.09       1956       9999
     a_drdis |        711           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        711    1.998594    .0375029          1          2

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