Summary statistics for a_c2_7 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |      2,319     1084239     1990980    -824070   4.04e+07

by Jean Roth , jroth@nber.org , 7 Sep 2018