Summary statistics for miacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     41,090    275157.5    160438.5      10001     560150
        year |     41,090        1986           0       1986       1986
          a1 |     41,090    9.052981    10.37048          0         65
          a2 |     41,090    9.013531    10.34584          0         65
          a3 |     41,090    9.003651    10.34437          0         70
-------------+---------------------------------------------------------
          a4 |     41,090    8.989706    10.31967          0         66
          a5 |     41,090    9.006425    10.32542          0         65
          a6 |     41,090    9.009832    10.35172          0         65
          a7 |     41,090     8.97082     10.3134          0         65
          a8 |     41,090    8.957313    10.28647          0         65
-------------+---------------------------------------------------------
          a9 |     41,090    8.979873    10.30725          0         65
         a10 |     41,090    8.999586    10.39428          0         65

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