Summary statistics for a7_3_c15_4 variable in hosp_rollup2552_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  a7_3_c15_4 |      5,543     2247678     3938480     -13864   6.92e+07

by Jean Roth , jroth@nber.org , 8 Sep 2018