Summary statistics for per_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_age1 |     97,589    2.727602    .9601428          1          5
      a_age2 |     97,589    3.693111    1.471227          1          6
      a_age3 |     97,589      7.2215    2.677931          1         13
      a_age4 |     97,589    4.106313    1.964705          1          8
      a_age5 |     97,589    4.378116    2.403837          1         10
-------------+---------------------------------------------------------
      a_age6 |     97,589     4.39445    2.384144          1         10
      a_age7 |     97,589      6.2833    2.563084          1         12
      a_age8 |     97,589    3.046337     1.79445          1          7
      veh_no |     97,589     1.30235    .7959585          0         22
      per_no |     97,589     1.76856    1.829827          1         52
-------------+---------------------------------------------------------
     st_case |     97,589    272512.7    161025.8      10001     560101
        year |     97,589        1993           0       1993       1993
     a_ptype |     97,589    1.546189    .6909009          1          5
      a_rest |     97,589    1.707867    .6446307          1          3
    a_alctes |     97,589    2.623708    1.012798          1          5
-------------+---------------------------------------------------------
      a_hisp |     97,589           0           0          0          0
      a_rcat |     97,589           0           0          0          0
     a_hrace |     97,589           0           0          0          0
     a_eject |     97,589    1.127443    .3453352          1          3
    a_perinj |     97,589    3.942903    2.460467          1          6
-------------+---------------------------------------------------------
       a_loc |     97,589    1.138079    .4932049          1          4

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