Summary statistics for b_1_c22_71 variable in hosp_rollup2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c22_71 |          1        3418           .       3418       3418

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