Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     39,836    272346.3    160799.9      10001     560107
        year |     39,836        1990           0       1990       1990
          a1 |     39,836    8.804072    10.56141          0         81
          a2 |     39,836    8.778517    10.57052          0         81
          a3 |     39,836    8.788834     10.5775          0         85
-------------+---------------------------------------------------------
          a4 |     39,836    8.747992    10.53763          0         81
          a5 |     39,836     8.79275    10.58633          0         81
          a6 |     39,836    8.721935    10.56497          0         81
          a7 |     39,836    8.752184    10.56794          0         81
          a8 |     39,836    8.772944    10.55385          0         81
-------------+---------------------------------------------------------
          a9 |     39,836    8.721533    10.51969          0         81
         a10 |     39,836    8.750427    10.52634          0         81

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