Summary statistics for op_charges variable in csts_chrgs2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,795    5.90e+07    9.13e+07          1   1.07e+09

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