Summary statistics for c_1_c7_40 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   c_1_c7_40 |      3,679     2006816     4124434          1   7.74e+07

by Jean Roth , jroth@nber.org , 10 Sep 2018