Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |     44,713        2010           0       2010       2010
     st_case |     44,713    279886.9    161077.1      10001     560139
      veh_no |     44,713    1.410954    .7363251          1         15
      a_body |     44,713    2.915617    2.298503          1          9
      a_imp1 |     44,713    2.687362    1.375024          1          7
-------------+---------------------------------------------------------
      a_imp2 |     44,713    2.990025    1.643924          1          7
     a_vroll |     44,713    1.815669    .3877584          1          2
     a_lic_s |     44,713    1.464071    .9623961          1          4
     a_lic_c |     44,713    1.181044    .4560053          1          3
     a_cdl_s |     44,713    1.907231    .3781941          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |     44,713     3.71326    .8552762          1          4
     a_spveh |     44,713     1.78646      .40981          1          2
      a_sbus |     44,713    2.994655    .1020591          1          3
    a_mod_yr |     44,713    2156.333    1104.156       1929       9999
     a_drdis |     44,713    1.934829    .2468305          1          2
-------------+---------------------------------------------------------
     a_drdro |     44,713    1.983204    .1285079          1          2

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