Summary statistics for a_c2_7 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |      2,235     1563240     2841676    -737714   3.97e+07

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