Summary statistics for b_1_c22_66 variable in hosp_rollup2552_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c22_66 |          1      503785           .     503785     503785

by Jean Roth , jroth@nber.org , 3 Sep 2018