Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     39,195      277319    160260.9      10002     560136
        year |     39,195        1985           0       1985       1985
          a1 |     39,195    8.905906    10.40924          0         69
          a2 |     39,195    8.864166    10.31741          0         68
          a3 |     39,195    8.914249    10.35005          0         81
-------------+---------------------------------------------------------
          a4 |     39,195    8.871667    10.33761          0         68
          a5 |     39,195    8.799643    10.31831          0         71
          a6 |     39,195    8.881515    10.35025          0         87
          a7 |     39,195    8.875673    10.35356          0         68
          a8 |     39,195    8.849547    10.35676          0         68
-------------+---------------------------------------------------------
          a9 |     39,195     8.83901    10.30961          0         68
         a10 |     39,195      8.9031    10.35327          0         68

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