Summary statistics for b_1_c22_69 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c22_69 |          1        2711           .       2711       2711

by Jean Roth , jroth@nber.org , 5 Sep 2018