Summary statistics for op_charges variable in csts_chrgs2552_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,789    4.28e+07    6.47e+07          1   7.40e+08

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