Summary statistics for a_c2_47 variable in hosp_rollup2552_96_1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c2_47 |      1,444      698859     1524371         47   3.18e+07

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