Summary statistics for op_charges variable in csts_chrgs2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,759    4.98e+07    7.63e+07          1   9.25e+08

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