Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |     56,455        1982           0       1982       1982
      veh_no |     56,455    1.360978    .6502564          1         18
     st_case |     56,455    280879.6    159454.3      10001     560174
      a_body |     56,455     2.42827    2.309858          1          9
      a_imp1 |     56,455     2.59605    1.288102          1          7
-------------+---------------------------------------------------------
      a_imp2 |     56,455    2.899424    1.628197          1          7
     a_vroll |     56,455     1.84152    .3651939          1          2
     a_lic_s |     56,455    1.395891    .8979715          1          4
     a_lic_c |     56,455    1.203188    .5193705          1          3
     a_cdl_s |     56,455           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |     56,455    3.920379    .2707079          3          4
     a_spveh |     56,455    1.759082    .4276442          1          2
      a_sbus |     56,455    2.996139    .0867817          1          3
    a_mod_yr |     56,455    2210.398    1352.287       1901       9999
     a_drdis |     56,455    1.935347    .2459152          1          2
-------------+---------------------------------------------------------
     a_drdro |     56,455    1.978089    .1463951          1          2

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