Summary statistics for c_1_c6_39 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   c_1_c6_39 |      3,208     4358276     8219470          1   1.32e+08

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