Summary statistics for op_charges variable in csts_chrgs2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,745    2.84e+07    4.21e+07          6   8.27e+08

by Jean Roth , jroth@nber.org , 6 Sep 2018