Summary statistics for s3_1_c4_11 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c4_11 |          1       17971           .      17971      17971

by Jean Roth , jroth@nber.org , 24 Aug 2018