Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     42,130    273050.8    159672.5      10001     560131
        year |     42,130        1988           0       1988       1988
          a1 |     42,130    8.661002    10.48934          0         94
          a2 |     42,130    8.599312    10.46605          0         94
          a3 |     42,130    8.688797    10.51175          0         94
-------------+---------------------------------------------------------
          a4 |     42,130    8.663636    10.51941          0         94
          a5 |     42,130    8.649086    10.50847          0         94
          a6 |     42,130    8.654284    10.52445          0         94
          a7 |     42,130    8.630287    10.50242          0         94
          a8 |     42,130    8.704676    10.49909          0         94
-------------+---------------------------------------------------------
          a9 |     42,130    8.628341    10.49702          0         94
         a10 |     42,130    8.627676    10.48689          0         94

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