Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |        521      430261     150.544     430001     430521
        year |        521        2000           0       2000       2000
          a1 |        521      7.1881    9.531483          0         37
          a2 |        521    7.309021    9.538913          0         40
          a3 |        521    7.838772    9.994465          0         41
-------------+---------------------------------------------------------
          a4 |        521    7.297505    9.703577          0         39
          a5 |        521    7.426104    9.630221          0         37
          a6 |        521    7.817658    9.970117          0         38
          a7 |        521    7.702495    9.838786          0         37
          a8 |        521    7.785029    9.973804          0         43
-------------+---------------------------------------------------------
          a9 |        521    7.462572    9.637619          0         37
         a10 |        521    7.491363    9.922799          0         49

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