Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     40,741    272782.6    160405.5      10001     560114
        year |     40,741        1989           0       1989       1989
          a1 |     40,741    8.483125    10.43862          0         86
          a2 |     40,741    8.441938    10.45553          0         86
          a3 |     40,741    8.436906    10.43631          0         86
-------------+---------------------------------------------------------
          a4 |     40,741    8.471442    10.44497          0         86
          a5 |     40,741    8.457819    10.44391          0         86
          a6 |     40,741    8.421345    10.45753          0         86
          a7 |     40,741    8.466655    10.44304          0         86
          a8 |     40,741    8.466729    10.44024          0         86
-------------+---------------------------------------------------------
          a9 |     40,741    8.543899    10.46899          0         86
         a10 |     40,741    8.367222    10.41474          0         86

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