Summary statistics for op_charges variable in csts_chrgs2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,685    1.40e+08    2.27e+08         29   3.26e+09

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