Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     37,526    278252.6    161296.5      10001     560132
        year |     37,526        2000           0       2000       2000
          a1 |     37,526    6.954911     9.93467          0         94
          a2 |     37,526    7.017268    10.01648          0         94
          a3 |     37,526    6.992405    9.986935          0         94
-------------+---------------------------------------------------------
          a4 |     37,526     7.00469    9.998946          0         94
          a5 |     37,526    6.994244    9.966436          0         94
          a6 |     37,526    6.954032    9.962937          0         94
          a7 |     37,526     6.92829    9.917103          0         94
          a8 |     37,526    6.917604    9.900089          0         94
-------------+---------------------------------------------------------
          a9 |     37,526    6.907051    9.911897          0         94
         a10 |     37,526    6.968635    9.943526          0         94

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