Summary statistics for form2009 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     fmtname |          0
       start |          0
         end |          0
       label |          0
         min |      4,679    5.799102    2.154524          2         14
-------------+---------------------------------------------------------
         max |      4,679     25.6012    9.636997          3         42
     default |      4,679    25.53922    9.668142          3         41
      length |      4,679    25.53922    9.668142          3         41
        fuzz |      4,679    1.00e-12           0   1.00e-12   1.00e-12
      prefix |          0
-------------+---------------------------------------------------------
        mult |      4,679           0           0          0          0
        fill |          0
      noedit |      4,679           0           0          0          0
        type |          0
       sexcl |          0
-------------+---------------------------------------------------------
       eexcl |          0
         hlo |          0
      decsep |          0
     DIG3SEP |          0
    datatype |          0
-------------+---------------------------------------------------------
    language |          0

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