Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        385        2014           0       2014       2014
     st_case |        385    430141.6    83.13036     430001     430288
      veh_no |        385    1.314286    .5884554          1          4
      a_body |        385    3.015584    2.636832          1          9
      a_imp1 |        385    2.516883    1.043507          1          6
-------------+---------------------------------------------------------
      a_imp2 |          0
     a_vroll |        385    1.950649    .2168809          1          2
     a_lic_s |        385    1.597403    1.088048          1          4
     a_lic_c |        385    1.249351    .5544854          1          3
     a_cdl_s |        385    2.054545    .2492413          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        385    3.625974    .9548945          1          4
     a_spveh |        385    1.722078    .4485577          1          2
      a_sbus |        385           3           0          3          3
    a_mod_yr |        385    2563.179    2044.734       1977       9999
     a_drdis |        385           2           0          2          2
-------------+---------------------------------------------------------
     a_drdro |        385    1.997403    .0509647          1          2

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