Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     60,567    272498.4    159841.9      10001     560101
      veh_no |     60,567    1.246735    .8373168          0         22
      per_no |     60,567    1.017055    .1819634          1         10
        year |     60,567        1993           0       1993       1993
          p1 |     60,567    4.826935    8.895562          0         94
-------------+---------------------------------------------------------
          p2 |     60,567    4.858141     8.92956          0         94
          p3 |     60,567    4.885878    8.958032          0         94
          p4 |     60,567    4.862087    8.915577          0         94
          p5 |     60,567    4.887018    8.941155          0         94
          p6 |     60,567    4.828471     8.88115          0         94
-------------+---------------------------------------------------------
          p7 |     60,567    4.854079    8.924066          0         94
          p8 |     60,567      4.8254    8.885932          0         94
          p9 |     60,567     4.82332    8.883429          0         94
         p10 |     60,567     4.84485    8.914177          0         94

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