Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        685        1984           0       1984       1984
      veh_no |        685    1.310949    .5783217          1          5
     st_case |        685    430251.7    146.3001     430001     430508
      a_body |        685    2.570803    2.685192          1          9
      a_imp1 |        685    2.737226    1.529773          1          7
-------------+---------------------------------------------------------
      a_imp2 |        685    2.874453    1.640676          1          7
     a_vroll |        685    1.921168    .2696735          1          2
     a_lic_s |        685    1.454015    .8531002          1          4
     a_lic_c |        685    1.331387    .6553594          1          3
     a_cdl_s |        685           3           0          3          3
-------------+---------------------------------------------------------
    a_mc_l_s |        685    3.954745    .2080158          3          4
     a_spveh |        685    1.651095    .4769722          1          2
      a_sbus |        685           3           0          3          3
    a_mod_yr |        685    2714.509    2320.024       1957       9999
     a_drdis |        685           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        685     1.99708    .0539948          1          2

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