Summary statistics for veh_aux dataset :

by Jean Roth , jroth@nber.org , 22 Oct 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |     48,923        2015           0       2015       2015
     st_case |     48,923    276902.8    162716.8      10001     560130
      veh_no |     48,923    1.503996    1.528479          1         58
      a_body |     48,923    2.927744     2.31149          1          9
      a_imp1 |     48,923    2.749116    1.450818          1          7
-------------+---------------------------------------------------------
      a_imp2 |          0
     a_vroll |     48,923    1.837398    .3690063          1          2
     a_lic_s |     48,923    1.482125    .9689079          1          4
     a_lic_c |     48,923    1.205813    .4846836          1          3
     a_cdl_s |     48,923     1.91131    .3885596          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |     48,923    3.719089    .8398184          1          4
     a_spveh |     48,923     1.82035    .3838993          1          2
      a_sbus |     48,923    2.995851    .0904406          1          3
    a_mod_yr |     48,923    2192.644    1211.204       1923       9999
     a_drdis |     48,923    1.967663    .1768941          1          2
-------------+---------------------------------------------------------
     a_drdro |     48,923    1.984956    .1217293          1          2

by Jean Roth , jroth@nber.org , 22 Oct 2016