Summary statistics for b_1_c23_94 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c23_94 |          1       18725           .      18725      18725

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