Summary statistics for veh_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        448        2010           0       2010       2010
     st_case |        448    430168.4    95.47424     430001     430333
      veh_no |        448    1.314732    .5804857          1          4
      a_body |        448    2.866071    2.485738          1          9
      a_imp1 |        448    2.553571     1.04562          1          5
-------------+---------------------------------------------------------
      a_imp2 |        448    2.665179    1.231373          1          7
     a_vroll |        448    1.950893    .2163333          1          2
     a_lic_s |        448    2.229911    1.114596          1          4
     a_lic_c |        448    2.022321    .9597921          1          3
     a_cdl_s |        448    2.459821    .5208769          1          3
-------------+---------------------------------------------------------
    a_mc_l_s |        448    3.783482    .6755523          1          4
     a_spveh |        448    1.700893    .4583787          1          2
      a_sbus |        448           3           0          3          3
    a_mod_yr |        448      2535.4    2001.743       1978       9999
     a_drdis |        448    1.997768    .0472456          1          2
-------------+---------------------------------------------------------
     a_drdro |        448    1.995536    .0667405          1          2

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