Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     37,241    272858.9      160354      10001     560138
        year |     37,241        1995           0       1995       1995
          a1 |     37,241    7.255015    10.09434          0         94
          a2 |     37,241    7.235064    10.08708          0         94
          a3 |     37,241    7.204747    10.07425          0         94
-------------+---------------------------------------------------------
          a4 |     37,241    7.239763     10.1084          0         94
          a5 |     37,241    7.189495    10.06427          0         94
          a6 |     37,241    7.257431    10.13467          0         94
          a7 |     37,241    7.268065    10.13503          0         94
          a8 |     37,241    7.292796    10.16751          0         94
-------------+---------------------------------------------------------
          a9 |     37,241    7.325475    10.18525          0         94
         a10 |     37,241    7.291023     10.1428          0         94

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