Summary statistics for a_c2_4 variable in hosp_rollup2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_4 |      2,944     1249839     2219911   -2544068   3.25e+07

by Jean Roth , jroth@nber.org , 3 Sep 2018