Summary statistics for s3_1_c23_3 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c23_3 |         30    21.27167    33.54751        .07      137.8

by Jean Roth , jroth@nber.org , 17 Feb 2018