Summary statistics for op_charges variable in csts_chrgs2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,742    3.78e+07    5.54e+07          2   6.42e+08

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