Summary statistics for b_1_c23_70 variable in hosp_rollup2552_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c23_70 |          1      509818           .     509818     509818

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