Summary statistics for op_charges variable in csts_chrgs2552_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  op_charges |      5,726    1.23e+08    1.99e+08         90   3.22e+09

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