Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     41,438    273093.8    160194.6      10001     560114
        year |     41,438        1987           0       1987       1987
          a1 |     41,438      8.7858    10.45409          0         94
          a2 |     41,438    8.798639    10.49338          0         94
          a3 |     41,438    8.838868    10.50904          0         94
-------------+---------------------------------------------------------
          a4 |     41,438    8.831314    10.53329          0         94
          a5 |     41,438    8.783194    10.42701          0         94
          a6 |     41,438    8.786428    10.48311          0         94
          a7 |     41,438    8.704691    10.42842          0         94
          a8 |     41,438    8.804527    10.44473          0         94
-------------+---------------------------------------------------------
          a9 |     41,438     8.82796    10.45568          0         94
         a10 |     41,438    8.731092    10.43818          0         94

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