Summary statistics for a_c2_1 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_1 |      1,149     3486567     8358196  -2.09e+07   1.83e+08

by Jean Roth , jroth@nber.org , 21 Apr 2018