Summary statistics for per_aux dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_age1 |     74,573    2.859963    .9263395          1          5
      a_age2 |     74,573    3.924477    1.400113          1          6
      a_age3 |     74,573    7.639575    2.602412          1         13
      a_age4 |     74,573    4.442962    1.918415          1          8
      a_age5 |     74,573    4.763547    2.360078          1         10
-------------+---------------------------------------------------------
      a_age6 |     74,573    4.774275    2.345172          1         10
      a_age7 |     74,573    6.688802     2.50067          1         12
      a_age8 |     74,573    3.367063    1.805898          1          7
      a_age9 |     74,573    1.932281    .3212933          1          3
     st_case |     74,573    276392.6    161359.9      10001     560139
-------------+---------------------------------------------------------
      veh_no |     74,573    1.312593    .7931997          0         15
      per_no |     74,573    1.670564    1.835976          1         57
        year |     74,573        2010           0       2010       2010
     a_ptype |     74,573    1.499283    .7002388          1          5
      a_rest |     74,573    1.579647    .7401138          1          3
-------------+---------------------------------------------------------
    a_alctes |     74,573    2.526799    1.056456          1          5
      a_hisp |     74,573    .7055637    .9821945          0          3
      a_rcat |     74,573    1.143296    2.243835          0          8
     a_hrace |     74,573    1.701554    2.757706          0          9
     a_eject |     74,573    1.113996    .3297364          1          3
-------------+---------------------------------------------------------
    a_perinj |     74,573    3.795114    2.482537          1          6
       a_loc |     74,573    1.140078    .5260315          1          5

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