Summary statistics for machread2016 dataset :

by Jean Roth , jroth@nber.org , 28 Jun 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |          0
    issuerid |        486    54730.04    25987.52      10046      99969
  issuername |          0
urlsubmitted |          0
techpocemail |          0

by Jean Roth , jroth@nber.org , 28 Jun 2017