Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |     64,381        2004           0       2004       2004
     st_case |     64,381      270441      161875      10001     560142
      veh_no |     64,381    1.320358    1.045141          0         42
      per_no |     64,381    1.012737    .1961717          1         19
          p1 |     64,381    4.186111     8.36286          0         94
-------------+---------------------------------------------------------
          p2 |     64,381    4.204548    8.378516          0         94
          p3 |     64,381     4.20489    8.368797          0         94
          p4 |     64,381    4.220748     8.39268          0         94
          p5 |     64,381     4.20096    8.379148          0         94
          p6 |     64,381    4.202606    8.364889          0         94
-------------+---------------------------------------------------------
          p7 |     64,381     4.20096    8.352246          0         94
          p8 |     64,381    4.226076    8.397703          0         94
          p9 |     64,381    4.168808    8.321816          0         94
         p10 |     64,381    4.181451    8.335313          0         94

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