Summary statistics for a_c2_7 variable in hosp_rollup2552_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_7 |      2,306     2399475     4481992    -702805   6.41e+07

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